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Finding the Fourth Proportional to 296,461.53, 444,373.34 and 128,061.09

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Solution

The fourth proportional to 296,461.53, 444,373.34 and 128,061.09 is: 191,953.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,461.53 : 444,373.34 = 128,061.09 : x
  2. Step 2: Convert to fraction form
    296,461.53/444,373.34 = 128,061.09/x
  3. Step 3: Cross multiply
    296,461.53x = 444,373.34 × 128,061.09
  4. Step 4: Simplify right side
    296,461.53x = 56,906,933,647.04
  5. Step 5: Solve for x
    x = 56,906,933,647.04/296,461.53
  6. Step 6: Final answer
    x = 191,953.86

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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.