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Finding the Fourth Proportional to 549,344.30, 824,016.45 and 545,845.10

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Solution

The fourth proportional to 549,344.30, 824,016.45 and 545,845.10 is: 818,767.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,344.30 : 824,016.45 = 545,845.10 : x
  2. Step 2: Convert to fraction form
    549,344.30/824,016.45 = 545,845.10/x
  3. Step 3: Cross multiply
    549,344.30x = 824,016.45 × 545,845.10
  4. Step 4: Simplify right side
    549,344.30x = 449,785,341,551.90
  5. Step 5: Solve for x
    x = 449,785,341,551.90/549,344.30
  6. Step 6: Final answer
    x = 818,767.65

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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.