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Finding the Fourth Proportional to 539,105.04, 744,204.02 and 348,211.53

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Solution

The fourth proportional to 539,105.04, 744,204.02 and 348,211.53 is: 480,686.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,105.04 : 744,204.02 = 348,211.53 : x
  2. Step 2: Convert to fraction form
    539,105.04/744,204.02 = 348,211.53/x
  3. Step 3: Cross multiply
    539,105.04x = 744,204.02 × 348,211.53
  4. Step 4: Simplify right side
    539,105.04x = 259,140,418,695.29
  5. Step 5: Solve for x
    x = 259,140,418,695.29/539,105.04
  6. Step 6: Final answer
    x = 480,686.32

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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.