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Finding the Fourth Proportional to 591,378.48, 887,074.20 and 170,658

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Solution

The fourth proportional to 591,378.48, 887,074.20 and 170,658 is: 255,988.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,378.48 : 887,074.20 = 170,658 : x
  2. Step 2: Convert to fraction form
    591,378.48/887,074.20 = 170,658/x
  3. Step 3: Cross multiply
    591,378.48x = 887,074.20 × 170,658
  4. Step 4: Simplify right side
    591,378.48x = 151,386,308,823.60
  5. Step 5: Solve for x
    x = 151,386,308,823.60/591,378.48
  6. Step 6: Final answer
    x = 255,988.87

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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.