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Finding the Fourth Proportional to 549,780.57, 824,799.92 and 170,681.94

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Solution

The fourth proportional to 549,780.57, 824,799.92 and 170,681.94 is: 256,062.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,780.57 : 824,799.92 = 170,681.94 : x
  2. Step 2: Convert to fraction form
    549,780.57/824,799.92 = 170,681.94/x
  3. Step 3: Cross multiply
    549,780.57x = 824,799.92 × 170,681.94
  4. Step 4: Simplify right side
    549,780.57x = 140,778,449,604.04
  5. Step 5: Solve for x
    x = 140,778,449,604.04/549,780.57
  6. Step 6: Final answer
    x = 256,062.98

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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.