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Finding the Fourth Proportional to 404,663.60, 607,456.20 and 238,545.20

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Solution

The fourth proportional to 404,663.60, 607,456.20 and 238,545.20 is: 358,089.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,663.60 : 607,456.20 = 238,545.20 : x
  2. Step 2: Convert to fraction form
    404,663.60/607,456.20 = 238,545.20/x
  3. Step 3: Cross multiply
    404,663.60x = 607,456.20 × 238,545.20
  4. Step 4: Simplify right side
    404,663.60x = 144,905,760,720.24
  5. Step 5: Solve for x
    x = 144,905,760,720.24/404,663.60
  6. Step 6: Final answer
    x = 358,089.44

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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.