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Finding the Fourth Proportional to 386,117.01, 532,841.63 and 235,214.01

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Solution

The fourth proportional to 386,117.01, 532,841.63 and 235,214.01 is: 324,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,117.01 : 532,841.63 = 235,214.01 : x
  2. Step 2: Convert to fraction form
    386,117.01/532,841.63 = 235,214.01/x
  3. Step 3: Cross multiply
    386,117.01x = 532,841.63 × 235,214.01
  4. Step 4: Simplify right side
    386,117.01x = 125,331,815,311.17
  5. Step 5: Solve for x
    x = 125,331,815,311.17/386,117.01
  6. Step 6: Final answer
    x = 324,595.43

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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.