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Finding the Fourth Proportional to 539,094.24, 744,189.22 and 348,200.76

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Solution

The fourth proportional to 539,094.24, 744,189.22 and 348,200.76 is: 480,671.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,094.24 : 744,189.22 = 348,200.76 : x
  2. Step 2: Convert to fraction form
    539,094.24/744,189.22 = 348,200.76/x
  3. Step 3: Cross multiply
    539,094.24x = 744,189.22 × 348,200.76
  4. Step 4: Simplify right side
    539,094.24x = 259,127,251,987.81
  5. Step 5: Solve for x
    x = 259,127,251,987.81/539,094.24
  6. Step 6: Final answer
    x = 480,671.53

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.