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Finding the Fourth Proportional to 582,340.33, 803,468.01 and 375,521.21

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Solution

The fourth proportional to 582,340.33, 803,468.01 and 375,521.21 is: 518,115.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,340.33 : 803,468.01 = 375,521.21 : x
  2. Step 2: Convert to fraction form
    582,340.33/803,468.01 = 375,521.21/x
  3. Step 3: Cross multiply
    582,340.33x = 803,468.01 × 375,521.21
  4. Step 4: Simplify right side
    582,340.33x = 301,719,280,918.96
  5. Step 5: Solve for x
    x = 301,719,280,918.96/582,340.33
  6. Step 6: Final answer
    x = 518,115.03

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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.