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Finding the Fourth Proportional to 301,718.90, 452,639.10 and 88,486.40

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Solution

The fourth proportional to 301,718.90, 452,639.10 and 88,486.40 is: 132,747.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,718.90 : 452,639.10 = 88,486.40 : x
  2. Step 2: Convert to fraction form
    301,718.90/452,639.10 = 88,486.40/x
  3. Step 3: Cross multiply
    301,718.90x = 452,639.10 × 88,486.40
  4. Step 4: Simplify right side
    301,718.90x = 40,052,404,458.24
  5. Step 5: Solve for x
    x = 40,052,404,458.24/301,718.90
  6. Step 6: Final answer
    x = 132,747.42

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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.