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Finding the Fourth Proportional to 325,680.80, 488,590.96 and 101,036.40

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Solution

The fourth proportional to 325,680.80, 488,590.96 and 101,036.40 is: 151,576.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,680.80 : 488,590.96 = 101,036.40 : x
  2. Step 2: Convert to fraction form
    325,680.80/488,590.96 = 101,036.40/x
  3. Step 3: Cross multiply
    325,680.80x = 488,590.96 × 101,036.40
  4. Step 4: Simplify right side
    325,680.80x = 49,365,471,670.94
  5. Step 5: Solve for x
    x = 49,365,471,670.94/325,680.80
  6. Step 6: Final answer
    x = 151,576.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.