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Finding the Fourth Proportional to 296,987.80, 445,524.90 and 97,274.20

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Solution

The fourth proportional to 296,987.80, 445,524.90 and 97,274.20 is: 145,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,987.80 : 445,524.90 = 97,274.20 : x
  2. Step 2: Convert to fraction form
    296,987.80/445,524.90 = 97,274.20/x
  3. Step 3: Cross multiply
    296,987.80x = 445,524.90 × 97,274.20
  4. Step 4: Simplify right side
    296,987.80x = 43,338,078,227.58
  5. Step 5: Solve for x
    x = 43,338,078,227.58/296,987.80
  6. Step 6: Final answer
    x = 145,925.45

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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.