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Finding the Fourth Proportional to 416,753.28, 575,150.40 and 235,486.08

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Solution

The fourth proportional to 416,753.28, 575,150.40 and 235,486.08 is: 324,988.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,753.28 : 575,150.40 = 235,486.08 : x
  2. Step 2: Convert to fraction form
    416,753.28/575,150.40 = 235,486.08/x
  3. Step 3: Cross multiply
    416,753.28x = 575,150.40 × 235,486.08
  4. Step 4: Simplify right side
    416,753.28x = 135,439,913,106.43
  5. Step 5: Solve for x
    x = 135,439,913,106.43/416,753.28
  6. Step 6: Final answer
    x = 324,988.24

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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.