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Finding the Fourth Proportional to 416,719.68, 575,115.68 and 300,528.48

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Solution

The fourth proportional to 416,719.68, 575,115.68 and 300,528.48 is: 414,759.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,719.68 : 575,115.68 = 300,528.48 : x
  2. Step 2: Convert to fraction form
    416,719.68/575,115.68 = 300,528.48/x
  3. Step 3: Cross multiply
    416,719.68x = 575,115.68 × 300,528.48
  4. Step 4: Simplify right side
    416,719.68x = 172,838,641,134.57
  5. Step 5: Solve for x
    x = 172,838,641,134.57/416,719.68
  6. Step 6: Final answer
    x = 414,759.97

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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.