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Finding the Fourth Proportional to 527,114.52, 790,673.40 and 127,753.74

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Solution

The fourth proportional to 527,114.52, 790,673.40 and 127,753.74 is: 191,631.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,114.52 : 790,673.40 = 127,753.74 : x
  2. Step 2: Convert to fraction form
    527,114.52/790,673.40 = 127,753.74/x
  3. Step 3: Cross multiply
    527,114.52x = 790,673.40 × 127,753.74
  4. Step 4: Simplify right side
    527,114.52x = 101,011,483,968.52
  5. Step 5: Solve for x
    x = 101,011,483,968.52/527,114.52
  6. Step 6: Final answer
    x = 191,631.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.