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Finding the Fourth Proportional to 296,381.80, 444,615.90 and 96,711.40

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Solution

The fourth proportional to 296,381.80, 444,615.90 and 96,711.40 is: 145,081.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,381.80 : 444,615.90 = 96,711.40 : x
  2. Step 2: Convert to fraction form
    296,381.80/444,615.90 = 96,711.40/x
  3. Step 3: Cross multiply
    296,381.80x = 444,615.90 × 96,711.40
  4. Step 4: Simplify right side
    296,381.80x = 42,999,426,151.26
  5. Step 5: Solve for x
    x = 42,999,426,151.26/296,381.80
  6. Step 6: Final answer
    x = 145,081.20

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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.