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Finding the Fourth Proportional to 416,856.12, 575,272.16 and 255,800.16

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Solution

The fourth proportional to 416,856.12, 575,272.16 and 255,800.16 is: 353,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,856.12 : 575,272.16 = 255,800.16 : x
  2. Step 2: Convert to fraction form
    416,856.12/575,272.16 = 255,800.16/x
  3. Step 3: Cross multiply
    416,856.12x = 575,272.16 × 255,800.16
  4. Step 4: Simplify right side
    416,856.12x = 147,154,710,571.55
  5. Step 5: Solve for x
    x = 147,154,710,571.55/416,856.12
  6. Step 6: Final answer
    x = 353,010.80

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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.