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Finding the Fourth Proportional to 625,776.06, 864,283.71 and 424,222.14

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Solution

The fourth proportional to 625,776.06, 864,283.71 and 424,222.14 is: 585,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,776.06 : 864,283.71 = 424,222.14 : x
  2. Step 2: Convert to fraction form
    625,776.06/864,283.71 = 424,222.14/x
  3. Step 3: Cross multiply
    625,776.06x = 864,283.71 × 424,222.14
  4. Step 4: Simplify right side
    625,776.06x = 366,648,285,023.34
  5. Step 5: Solve for x
    x = 366,648,285,023.34/625,776.06
  6. Step 6: Final answer
    x = 585,909.73

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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.