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Finding the Fourth Proportional to 864,684.60, 1,193,141.34 and 482,703

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Solution

The fourth proportional to 864,684.60, 1,193,141.34 and 482,703 is: 666,061.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,684.60 : 1,193,141.34 = 482,703 : x
  2. Step 2: Convert to fraction form
    864,684.60/1,193,141.34 = 482,703/x
  3. Step 3: Cross multiply
    864,684.60x = 1,193,141.34 × 482,703
  4. Step 4: Simplify right side
    864,684.60x = 575,932,904,242.02
  5. Step 5: Solve for x
    x = 575,932,904,242.02/864,684.60
  6. Step 6: Final answer
    x = 666,061.25

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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.