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Finding the Fourth Proportional to 632,854.61, 873,762.25 and 374,814.58

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Solution

The fourth proportional to 632,854.61, 873,762.25 and 374,814.58 is: 517,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,854.61 : 873,762.25 = 374,814.58 : x
  2. Step 2: Convert to fraction form
    632,854.61/873,762.25 = 374,814.58/x
  3. Step 3: Cross multiply
    632,854.61x = 873,762.25 × 374,814.58
  4. Step 4: Simplify right side
    632,854.61x = 327,498,830,753.61
  5. Step 5: Solve for x
    x = 327,498,830,753.61/632,854.61
  6. Step 6: Final answer
    x = 517,494.58

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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.