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Finding the Fourth Proportional to 539,501.59, 744,465.04 and 345,567.18

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Solution

The fourth proportional to 539,501.59, 744,465.04 and 345,567.18 is: 476,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,501.59 : 744,465.04 = 345,567.18 : x
  2. Step 2: Convert to fraction form
    539,501.59/744,465.04 = 345,567.18/x
  3. Step 3: Cross multiply
    539,501.59x = 744,465.04 × 345,567.18
  4. Step 4: Simplify right side
    539,501.59x = 257,262,684,481.39
  5. Step 5: Solve for x
    x = 257,262,684,481.39/539,501.59
  6. Step 6: Final answer
    x = 476,852.50

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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.