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Finding the Fourth Proportional to 669,787.42, 924,307.45 and 363,864.01

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Solution

The fourth proportional to 669,787.42, 924,307.45 and 363,864.01 is: 502,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,787.42 : 924,307.45 = 363,864.01 : x
  2. Step 2: Convert to fraction form
    669,787.42/924,307.45 = 363,864.01/x
  3. Step 3: Cross multiply
    669,787.42x = 924,307.45 × 363,864.01
  4. Step 4: Simplify right side
    669,787.42x = 336,322,215,229.88
  5. Step 5: Solve for x
    x = 336,322,215,229.88/669,787.42
  6. Step 6: Final answer
    x = 502,132.77

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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.