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Finding the Fourth Proportional to 555,686.47, 833,652.72 and 176,723.11

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Solution

The fourth proportional to 555,686.47, 833,652.72 and 176,723.11 is: 265,123.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,686.47 : 833,652.72 = 176,723.11 : x
  2. Step 2: Convert to fraction form
    555,686.47/833,652.72 = 176,723.11/x
  3. Step 3: Cross multiply
    555,686.47x = 833,652.72 × 176,723.11
  4. Step 4: Simplify right side
    555,686.47x = 147,325,699,254.23
  5. Step 5: Solve for x
    x = 147,325,699,254.23/555,686.47
  6. Step 6: Final answer
    x = 265,123.78

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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.