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Finding the Fourth Proportional to 461,473.76, 636,833.90 and 254,742.32

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Solution

The fourth proportional to 461,473.76, 636,833.90 and 254,742.32 is: 351,544.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,473.76 : 636,833.90 = 254,742.32 : x
  2. Step 2: Convert to fraction form
    461,473.76/636,833.90 = 254,742.32/x
  3. Step 3: Cross multiply
    461,473.76x = 636,833.90 × 254,742.32
  4. Step 4: Simplify right side
    461,473.76x = 162,228,545,140.65
  5. Step 5: Solve for x
    x = 162,228,545,140.65/461,473.76
  6. Step 6: Final answer
    x = 351,544.46

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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.