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Finding the Fourth Proportional to 669,635.82, 924,104.16 and 363,718.20

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Solution

The fourth proportional to 669,635.82, 924,104.16 and 363,718.20 is: 501,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,635.82 : 924,104.16 = 363,718.20 : x
  2. Step 2: Convert to fraction form
    669,635.82/924,104.16 = 363,718.20/x
  3. Step 3: Cross multiply
    669,635.82x = 924,104.16 × 363,718.20
  4. Step 4: Simplify right side
    669,635.82x = 336,113,501,687.71
  5. Step 5: Solve for x
    x = 336,113,501,687.71/669,635.82
  6. Step 6: Final answer
    x = 501,934.77

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Double scale
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Similar ratio
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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.