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Finding the Fourth Proportional to 255,950.64, 353,246.04 and 155,350.32

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Solution

The fourth proportional to 255,950.64, 353,246.04 and 155,350.32 is: 214,404.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,950.64 : 353,246.04 = 155,350.32 : x
  2. Step 2: Convert to fraction form
    255,950.64/353,246.04 = 155,350.32/x
  3. Step 3: Cross multiply
    255,950.64x = 353,246.04 × 155,350.32
  4. Step 4: Simplify right side
    255,950.64x = 54,876,885,352.73
  5. Step 5: Solve for x
    x = 54,876,885,352.73/255,950.64
  6. Step 6: Final answer
    x = 214,404.17

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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.