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Finding the Fourth Proportional to 570,620.60, 855,930.90 and 404,732.60

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Solution

The fourth proportional to 570,620.60, 855,930.90 and 404,732.60 is: 607,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,620.60 : 855,930.90 = 404,732.60 : x
  2. Step 2: Convert to fraction form
    570,620.60/855,930.90 = 404,732.60/x
  3. Step 3: Cross multiply
    570,620.60x = 855,930.90 × 404,732.60
  4. Step 4: Simplify right side
    570,620.60x = 346,423,138,577.34
  5. Step 5: Solve for x
    x = 346,423,138,577.34/570,620.60
  6. Step 6: Final answer
    x = 607,098.90

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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.