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Finding the Fourth Proportional to 425,116.94, 586,687.89 and 234,130.28

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Solution

The fourth proportional to 425,116.94, 586,687.89 and 234,130.28 is: 323,114.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,116.94 : 586,687.89 = 234,130.28 : x
  2. Step 2: Convert to fraction form
    425,116.94/586,687.89 = 234,130.28/x
  3. Step 3: Cross multiply
    425,116.94x = 586,687.89 × 234,130.28
  4. Step 4: Simplify right side
    425,116.94x = 137,361,397,024.87
  5. Step 5: Solve for x
    x = 137,361,397,024.87/425,116.94
  6. Step 6: Final answer
    x = 323,114.39

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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.