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Finding the Fourth Proportional to 669,818.46, 924,345.63 and 363,892.38

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Solution

The fourth proportional to 669,818.46, 924,345.63 and 363,892.38 is: 502,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,818.46 : 924,345.63 = 363,892.38 : x
  2. Step 2: Convert to fraction form
    669,818.46/924,345.63 = 363,892.38/x
  3. Step 3: Cross multiply
    669,818.46x = 924,345.63 × 363,892.38
  4. Step 4: Simplify right side
    669,818.46x = 336,362,331,243.30
  5. Step 5: Solve for x
    x = 336,362,331,243.30/669,818.46
  6. Step 6: Final answer
    x = 502,169.40

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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.