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Finding the Fourth Proportional to 301,618.90, 452,489.10 and 88,386.40

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Solution

The fourth proportional to 301,618.90, 452,489.10 and 88,386.40 is: 132,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,618.90 : 452,489.10 = 88,386.40 : x
  2. Step 2: Convert to fraction form
    301,618.90/452,489.10 = 88,386.40/x
  3. Step 3: Cross multiply
    301,618.90x = 452,489.10 × 88,386.40
  4. Step 4: Simplify right side
    301,618.90x = 39,993,882,588.24
  5. Step 5: Solve for x
    x = 39,993,882,588.24/301,618.90
  6. Step 6: Final answer
    x = 132,597.40

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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.