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Finding the Fourth Proportional to 425,696.31, 589,996.71 and 417,724.70

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Solution

The fourth proportional to 425,696.31, 589,996.71 and 417,724.70 is: 578,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,696.31 : 589,996.71 = 417,724.70 : x
  2. Step 2: Convert to fraction form
    425,696.31/589,996.71 = 417,724.70/x
  3. Step 3: Cross multiply
    425,696.31x = 589,996.71 × 417,724.70
  4. Step 4: Simplify right side
    425,696.31x = 246,456,195,735.75
  5. Step 5: Solve for x
    x = 246,456,195,735.75/425,696.31
  6. Step 6: Final answer
    x = 578,948.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.