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Finding the Fourth Proportional to 404,473.60, 607,171.20 and 238,355.20

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Solution

The fourth proportional to 404,473.60, 607,171.20 and 238,355.20 is: 357,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,473.60 : 607,171.20 = 238,355.20 : x
  2. Step 2: Convert to fraction form
    404,473.60/607,171.20 = 238,355.20/x
  3. Step 3: Cross multiply
    404,473.60x = 607,171.20 × 238,355.20
  4. Step 4: Simplify right side
    404,473.60x = 144,722,412,810.24
  5. Step 5: Solve for x
    x = 144,722,412,810.24/404,473.60
  6. Step 6: Final answer
    x = 357,804.35

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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.