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Finding the Fourth Proportional to 527,042.88, 790,549.96 and 147,966.76

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Solution

The fourth proportional to 527,042.88, 790,549.96 and 147,966.76 is: 221,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,042.88 : 790,549.96 = 147,966.76 : x
  2. Step 2: Convert to fraction form
    527,042.88/790,549.96 = 147,966.76/x
  3. Step 3: Cross multiply
    527,042.88x = 790,549.96 × 147,966.76
  4. Step 4: Simplify right side
    527,042.88x = 116,975,116,199.33
  5. Step 5: Solve for x
    x = 116,975,116,199.33/527,042.88
  6. Step 6: Final answer
    x = 221,946.11

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1.5x scale

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.