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Finding the Fourth Proportional to 941,702.10, 1,412,553.15 and 658,266.90

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Solution

The fourth proportional to 941,702.10, 1,412,553.15 and 658,266.90 is: 987,400.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,702.10 : 1,412,553.15 = 658,266.90 : x
  2. Step 2: Convert to fraction form
    941,702.10/1,412,553.15 = 658,266.90/x
  3. Step 3: Cross multiply
    941,702.10x = 1,412,553.15 × 658,266.90
  4. Step 4: Simplify right side
    941,702.10x = 929,836,983,135.74
  5. Step 5: Solve for x
    x = 929,836,983,135.74/941,702.10
  6. Step 6: Final answer
    x = 987,400.35

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1.5x scale

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.