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Finding the Fourth Proportional to 590,718.32, 814,948.56 and 438,131.92

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Solution

The fourth proportional to 590,718.32, 814,948.56 and 438,131.92 is: 604,442.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,718.32 : 814,948.56 = 438,131.92 : x
  2. Step 2: Convert to fraction form
    590,718.32/814,948.56 = 438,131.92/x
  3. Step 3: Cross multiply
    590,718.32x = 814,948.56 × 438,131.92
  4. Step 4: Simplify right side
    590,718.32x = 357,054,977,294.04
  5. Step 5: Solve for x
    x = 357,054,977,294.04/590,718.32
  6. Step 6: Final answer
    x = 604,442.02

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Why These Related Problems?

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