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Finding the Fourth Proportional to 549,744.64, 822,956.88 and 497,178.88

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Solution

The fourth proportional to 549,744.64, 822,956.88 and 497,178.88 is: 744,266.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,744.64 : 822,956.88 = 497,178.88 : x
  2. Step 2: Convert to fraction form
    549,744.64/822,956.88 = 497,178.88/x
  3. Step 3: Cross multiply
    549,744.64x = 822,956.88 × 497,178.88
  4. Step 4: Simplify right side
    549,744.64x = 409,156,779,886.69
  5. Step 5: Solve for x
    x = 409,156,779,886.69/549,744.64
  6. Step 6: Final answer
    x = 744,266.97

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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.