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Finding the Fourth Proportional to 539,667.40, 808,607.94 and 484,037.68

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Solution

The fourth proportional to 539,667.40, 808,607.94 and 484,037.68 is: 725,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,667.40 : 808,607.94 = 484,037.68 : x
  2. Step 2: Convert to fraction form
    539,667.40/808,607.94 = 484,037.68/x
  3. Step 3: Cross multiply
    539,667.40x = 808,607.94 × 484,037.68
  4. Step 4: Simplify right side
    539,667.40x = 391,396,711,307.18
  5. Step 5: Solve for x
    x = 391,396,711,307.18/539,667.40
  6. Step 6: Final answer
    x = 725,255.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.