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Finding the Fourth Proportional to 416,592.90, 574,895.34 and 225,601.92

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Solution

The fourth proportional to 416,592.90, 574,895.34 and 225,601.92 is: 311,329.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,592.90 : 574,895.34 = 225,601.92 : x
  2. Step 2: Convert to fraction form
    416,592.90/574,895.34 = 225,601.92/x
  3. Step 3: Cross multiply
    416,592.90x = 574,895.34 × 225,601.92
  4. Step 4: Simplify right side
    416,592.90x = 129,697,492,503.05
  5. Step 5: Solve for x
    x = 129,697,492,503.05/416,592.90
  6. Step 6: Final answer
    x = 311,329.10

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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.