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Finding the Fourth Proportional to 416,856.07, 575,272.03 and 255,800.12

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Solution

The fourth proportional to 416,856.07, 575,272.03 and 255,800.12 is: 353,010.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,856.07 : 575,272.03 = 255,800.12 : x
  2. Step 2: Convert to fraction form
    416,856.07/575,272.03 = 255,800.12/x
  3. Step 3: Cross multiply
    416,856.07x = 575,272.03 × 255,800.12
  4. Step 4: Simplify right side
    416,856.07x = 147,154,654,306.64
  5. Step 5: Solve for x
    x = 147,154,654,306.64/416,856.07
  6. Step 6: Final answer
    x = 353,010.71

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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.