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Finding the Fourth Proportional to 570,104.48, 855,404.74 and 357,359.90

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Solution

The fourth proportional to 570,104.48, 855,404.74 and 357,359.90 is: 536,195.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,104.48 : 855,404.74 = 357,359.90 : x
  2. Step 2: Convert to fraction form
    570,104.48/855,404.74 = 357,359.90/x
  3. Step 3: Cross multiply
    570,104.48x = 855,404.74 × 357,359.90
  4. Step 4: Simplify right side
    570,104.48x = 305,687,352,345.93
  5. Step 5: Solve for x
    x = 305,687,352,345.93/570,104.48
  6. Step 6: Final answer
    x = 536,195.32

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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.