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Finding the Fourth Proportional to 416,857.66, 575,264.08 and 225,870.90

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Solution

The fourth proportional to 416,857.66, 575,264.08 and 225,870.90 is: 311,702.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,857.66 : 575,264.08 = 225,870.90 : x
  2. Step 2: Convert to fraction form
    416,857.66/575,264.08 = 225,870.90/x
  3. Step 3: Cross multiply
    416,857.66x = 575,264.08 × 225,870.90
  4. Step 4: Simplify right side
    416,857.66x = 129,935,415,487.27
  5. Step 5: Solve for x
    x = 129,935,415,487.27/416,857.66
  6. Step 6: Final answer
    x = 311,702.12

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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.