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Finding the Fourth Proportional to 669,944.64, 924,527.28 and 364,023.42

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Solution

The fourth proportional to 669,944.64, 924,527.28 and 364,023.42 is: 502,354.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,944.64 : 924,527.28 = 364,023.42 : x
  2. Step 2: Convert to fraction form
    669,944.64/924,527.28 = 364,023.42/x
  3. Step 3: Cross multiply
    669,944.64x = 924,527.28 × 364,023.42
  4. Step 4: Simplify right side
    669,944.64x = 336,549,582,348.90
  5. Step 5: Solve for x
    x = 336,549,582,348.90/669,944.64
  6. Step 6: Final answer
    x = 502,354.32

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Double scale
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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.