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Finding the Fourth Proportional to 647,569.30, 971,353.95 and 436,062.10

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Solution

The fourth proportional to 647,569.30, 971,353.95 and 436,062.10 is: 654,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,569.30 : 971,353.95 = 436,062.10 : x
  2. Step 2: Convert to fraction form
    647,569.30/971,353.95 = 436,062.10/x
  3. Step 3: Cross multiply
    647,569.30x = 971,353.95 × 436,062.10
  4. Step 4: Simplify right side
    647,569.30x = 423,570,643,280.30
  5. Step 5: Solve for x
    x = 423,570,643,280.30/647,569.30
  6. Step 6: Final answer
    x = 654,093.15

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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.