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Finding the Fourth Proportional to 471,702.08, 650,943.20 and 256,842.08

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Solution

The fourth proportional to 471,702.08, 650,943.20 and 256,842.08 is: 354,438.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,702.08 : 650,943.20 = 256,842.08 : x
  2. Step 2: Convert to fraction form
    471,702.08/650,943.20 = 256,842.08/x
  3. Step 3: Cross multiply
    471,702.08x = 650,943.20 × 256,842.08
  4. Step 4: Simplify right side
    471,702.08x = 167,189,605,449.86
  5. Step 5: Solve for x
    x = 167,189,605,449.86/471,702.08
  6. Step 6: Final answer
    x = 354,438.98

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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.