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Finding the Fourth Proportional to 261,352.50, 360,732.06 and 153,883.32

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Solution

The fourth proportional to 261,352.50, 360,732.06 and 153,883.32 is: 212,397.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,352.50 : 360,732.06 = 153,883.32 : x
  2. Step 2: Convert to fraction form
    261,352.50/360,732.06 = 153,883.32/x
  3. Step 3: Cross multiply
    261,352.50x = 360,732.06 × 153,883.32
  4. Step 4: Simplify right side
    261,352.50x = 55,510,647,023.24
  5. Step 5: Solve for x
    x = 55,510,647,023.24/261,352.50
  6. Step 6: Final answer
    x = 212,397.61

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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.