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Finding the Fourth Proportional to 298,952.47, 448,430.33 and 88,592.23

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Solution

The fourth proportional to 298,952.47, 448,430.33 and 88,592.23 is: 132,888.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,952.47 : 448,430.33 = 88,592.23 : x
  2. Step 2: Convert to fraction form
    298,952.47/448,430.33 = 88,592.23/x
  3. Step 3: Cross multiply
    298,952.47x = 448,430.33 × 88,592.23
  4. Step 4: Simplify right side
    298,952.47x = 39,727,443,218.02
  5. Step 5: Solve for x
    x = 39,727,443,218.02/298,952.47
  6. Step 6: Final answer
    x = 132,888.83

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1.5x scale

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.