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Finding the Fourth Proportional to 356,593.60, 534,890.40 and 339,097.60

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Solution

The fourth proportional to 356,593.60, 534,890.40 and 339,097.60 is: 508,646.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,593.60 : 534,890.40 = 339,097.60 : x
  2. Step 2: Convert to fraction form
    356,593.60/534,890.40 = 339,097.60/x
  3. Step 3: Cross multiply
    356,593.60x = 534,890.40 × 339,097.60
  4. Step 4: Simplify right side
    356,593.60x = 181,380,050,903.04
  5. Step 5: Solve for x
    x = 181,380,050,903.04/356,593.60
  6. Step 6: Final answer
    x = 508,646.40

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1.5x scale

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.