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Finding the Fourth Proportional to 669,787.77, 924,307.92 and 363,864.35

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Solution

The fourth proportional to 669,787.77, 924,307.92 and 363,864.35 is: 502,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,787.77 : 924,307.92 = 363,864.35 : x
  2. Step 2: Convert to fraction form
    669,787.77/924,307.92 = 363,864.35/x
  3. Step 3: Cross multiply
    669,787.77x = 924,307.92 × 363,864.35
  4. Step 4: Simplify right side
    669,787.77x = 336,322,695,889.11
  5. Step 5: Solve for x
    x = 336,322,695,889.11/669,787.77
  6. Step 6: Final answer
    x = 502,133.23

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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.