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Finding the Fourth Proportional to 669,684.27, 924,172.70 and 363,765.76

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Solution

The fourth proportional to 669,684.27, 924,172.70 and 363,765.76 is: 502,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,684.27 : 924,172.70 = 363,765.76 : x
  2. Step 2: Convert to fraction form
    669,684.27/924,172.70 = 363,765.76/x
  3. Step 3: Cross multiply
    669,684.27x = 924,172.70 × 363,765.76
  4. Step 4: Simplify right side
    669,684.27x = 336,182,380,457.49
  5. Step 5: Solve for x
    x = 336,182,380,457.49/669,684.27
  6. Step 6: Final answer
    x = 502,001.31

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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.