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Finding the Fourth Proportional to 590,720.56, 814,951.67 and 438,134.18

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Solution

The fourth proportional to 590,720.56, 814,951.67 and 438,134.18 is: 604,445.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,720.56 : 814,951.67 = 438,134.18 : x
  2. Step 2: Convert to fraction form
    590,720.56/814,951.67 = 438,134.18/x
  3. Step 3: Cross multiply
    590,720.56x = 814,951.67 × 438,134.18
  4. Step 4: Simplify right side
    590,720.56x = 357,058,175,409.65
  5. Step 5: Solve for x
    x = 357,058,175,409.65/590,720.56
  6. Step 6: Final answer
    x = 604,445.15

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.