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Finding the Fourth Proportional to 669,838.08, 924,393.56 and 363,911.40

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Solution

The fourth proportional to 669,838.08, 924,393.56 and 363,911.40 is: 502,206.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,838.08 : 924,393.56 = 363,911.40 : x
  2. Step 2: Convert to fraction form
    669,838.08/924,393.56 = 363,911.40/x
  3. Step 3: Cross multiply
    669,838.08x = 924,393.56 × 363,911.40
  4. Step 4: Simplify right side
    669,838.08x = 336,397,354,570.58
  5. Step 5: Solve for x
    x = 336,397,354,570.58/669,838.08
  6. Step 6: Final answer
    x = 502,206.97

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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.