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Finding the Fourth Proportional to 416,840.80, 575,240.80 and 225,854.16

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Solution

The fourth proportional to 416,840.80, 575,240.80 and 225,854.16 is: 311,679.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,840.80 : 575,240.80 = 225,854.16 : x
  2. Step 2: Convert to fraction form
    416,840.80/575,240.80 = 225,854.16/x
  3. Step 3: Cross multiply
    416,840.80x = 575,240.80 × 225,854.16
  4. Step 4: Simplify right side
    416,840.80x = 129,920,527,681.73
  5. Step 5: Solve for x
    x = 129,920,527,681.73/416,840.80
  6. Step 6: Final answer
    x = 311,679.01

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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.