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Finding the Fourth Proportional to 701,601.80, 1,052,402.70 and 403,003.40

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Solution

The fourth proportional to 701,601.80, 1,052,402.70 and 403,003.40 is: 604,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    701,601.80 : 1,052,402.70 = 403,003.40 : x
  2. Step 2: Convert to fraction form
    701,601.80/1,052,402.70 = 403,003.40/x
  3. Step 3: Cross multiply
    701,601.80x = 1,052,402.70 × 403,003.40
  4. Step 4: Simplify right side
    701,601.80x = 424,121,866,269.18
  5. Step 5: Solve for x
    x = 424,121,866,269.18/701,601.80
  6. Step 6: Final answer
    x = 604,505.10

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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.