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Finding the Fourth Proportional to 647,551.30, 971,326.95 and 436,044.10

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Solution

The fourth proportional to 647,551.30, 971,326.95 and 436,044.10 is: 654,066.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,551.30 : 971,326.95 = 436,044.10 : x
  2. Step 2: Convert to fraction form
    647,551.30/971,326.95 = 436,044.10/x
  3. Step 3: Cross multiply
    647,551.30x = 971,326.95 × 436,044.10
  4. Step 4: Simplify right side
    647,551.30x = 423,541,385,718.50
  5. Step 5: Solve for x
    x = 423,541,385,718.50/647,551.30
  6. Step 6: Final answer
    x = 654,066.15

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Double scale
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Similar ratio
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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.