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Finding the Fourth Proportional to 616,616.20, 924,924.30 and 476,475.40

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Solution

The fourth proportional to 616,616.20, 924,924.30 and 476,475.40 is: 714,713.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,616.20 : 924,924.30 = 476,475.40 : x
  2. Step 2: Convert to fraction form
    616,616.20/924,924.30 = 476,475.40/x
  3. Step 3: Cross multiply
    616,616.20x = 924,924.30 × 476,475.40
  4. Step 4: Simplify right side
    616,616.20x = 440,703,675,812.22
  5. Step 5: Solve for x
    x = 440,703,675,812.22/616,616.20
  6. Step 6: Final answer
    x = 714,713.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.