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Finding the Fourth Proportional to 669,698.28, 924,182.92 and 363,774.90

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Solution

The fourth proportional to 669,698.28, 924,182.92 and 363,774.90 is: 502,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,698.28 : 924,182.92 = 363,774.90 : x
  2. Step 2: Convert to fraction form
    669,698.28/924,182.92 = 363,774.90/x
  3. Step 3: Cross multiply
    669,698.28x = 924,182.92 × 363,774.90
  4. Step 4: Simplify right side
    669,698.28x = 336,194,549,049.70
  5. Step 5: Solve for x
    x = 336,194,549,049.70/669,698.28
  6. Step 6: Final answer
    x = 502,008.98

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1.5x scale

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.