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Finding the Fourth Proportional to 669,904.16, 924,098.64 and 424,439.84

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Solution

The fourth proportional to 669,904.16, 924,098.64 and 424,439.84 is: 585,493.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,904.16 : 924,098.64 = 424,439.84 : x
  2. Step 2: Convert to fraction form
    669,904.16/924,098.64 = 424,439.84/x
  3. Step 3: Cross multiply
    669,904.16x = 924,098.64 × 424,439.84
  4. Step 4: Simplify right side
    669,904.16x = 392,224,278,905.82
  5. Step 5: Solve for x
    x = 392,224,278,905.82/669,904.16
  6. Step 6: Final answer
    x = 585,493.12

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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.