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Finding the Fourth Proportional to 416,943.05, 575,365.98 and 225,952.34

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Solution

The fourth proportional to 416,943.05, 575,365.98 and 225,952.34 is: 311,805.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,943.05 : 575,365.98 = 225,952.34 : x
  2. Step 2: Convert to fraction form
    416,943.05/575,365.98 = 225,952.34/x
  3. Step 3: Cross multiply
    416,943.05x = 575,365.98 × 225,952.34
  4. Step 4: Simplify right side
    416,943.05x = 130,005,287,507.89
  5. Step 5: Solve for x
    x = 130,005,287,507.89/416,943.05
  6. Step 6: Final answer
    x = 311,805.87

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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.