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Finding the Fourth Proportional to 1,234,566.96, 1,703,373.84 and 847,500.75

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Solution

The fourth proportional to 1,234,566.96, 1,703,373.84 and 847,500.75 is: 1,169,325.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,566.96 : 1,703,373.84 = 847,500.75 : x
  2. Step 2: Convert to fraction form
    1,234,566.96/1,703,373.84 = 847,500.75/x
  3. Step 3: Cross multiply
    1,234,566.96x = 1,703,373.84 × 847,500.75
  4. Step 4: Simplify right side
    1,234,566.96x = 1,443,610,606,930.38
  5. Step 5: Solve for x
    x = 1,443,610,606,930.38/1,234,566.96
  6. Step 6: Final answer
    x = 1,169,325.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.