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Finding the Fourth Proportional to 584,963.40, 878,101.20 and 452,431.20

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Solution

The fourth proportional to 584,963.40, 878,101.20 and 452,431.20 is: 679,154.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,963.40 : 878,101.20 = 452,431.20 : x
  2. Step 2: Convert to fraction form
    584,963.40/878,101.20 = 452,431.20/x
  3. Step 3: Cross multiply
    584,963.40x = 878,101.20 × 452,431.20
  4. Step 4: Simplify right side
    584,963.40x = 397,280,379,637.44
  5. Step 5: Solve for x
    x = 397,280,379,637.44/584,963.40
  6. Step 6: Final answer
    x = 679,154.25

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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.