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Finding the Fourth Proportional to 713,954.10, 1,070,931.15 and 682,461.30

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Solution

The fourth proportional to 713,954.10, 1,070,931.15 and 682,461.30 is: 1,023,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,954.10 : 1,070,931.15 = 682,461.30 : x
  2. Step 2: Convert to fraction form
    713,954.10/1,070,931.15 = 682,461.30/x
  3. Step 3: Cross multiply
    713,954.10x = 1,070,931.15 × 682,461.30
  4. Step 4: Simplify right side
    713,954.10x = 730,869,064,839.50
  5. Step 5: Solve for x
    x = 730,869,064,839.50/713,954.10
  6. Step 6: Final answer
    x = 1,023,691.95

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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.