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Finding the Fourth Proportional to 662,394.01, 914,101.11 and 371,965.17

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Solution

The fourth proportional to 662,394.01, 914,101.11 and 371,965.17 is: 513,310.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,394.01 : 914,101.11 = 371,965.17 : x
  2. Step 2: Convert to fraction form
    662,394.01/914,101.11 = 371,965.17/x
  3. Step 3: Cross multiply
    662,394.01x = 914,101.11 × 371,965.17
  4. Step 4: Simplify right side
    662,394.01x = 340,013,773,423.00
  5. Step 5: Solve for x
    x = 340,013,773,423.00/662,394.01
  6. Step 6: Final answer
    x = 513,310.46

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Double scale
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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.