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Finding the Fourth Proportional to 669,874.56, 924,437.36 and 363,956.96

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Solution

The fourth proportional to 669,874.56, 924,437.36 and 363,956.96 is: 502,266.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,874.56 : 924,437.36 = 363,956.96 : x
  2. Step 2: Convert to fraction form
    669,874.56/924,437.36 = 363,956.96/x
  3. Step 3: Cross multiply
    669,874.56x = 924,437.36 × 363,956.96
  4. Step 4: Simplify right side
    669,874.56x = 336,455,411,256.03
  5. Step 5: Solve for x
    x = 336,455,411,256.03/669,874.56
  6. Step 6: Final answer
    x = 502,266.29

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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.