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Finding the Fourth Proportional to 549,694.64, 822,882.12 and 497,128.88

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Solution

The fourth proportional to 549,694.64, 822,882.12 and 497,128.88 is: 744,192.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,694.64 : 822,882.12 = 497,128.88 : x
  2. Step 2: Convert to fraction form
    549,694.64/822,882.12 = 497,128.88/x
  3. Step 3: Cross multiply
    549,694.64x = 822,882.12 × 497,128.88
  4. Step 4: Simplify right side
    549,694.64x = 409,078,466,687.63
  5. Step 5: Solve for x
    x = 409,078,466,687.63/549,694.64
  6. Step 6: Final answer
    x = 744,192.21

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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.