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Finding the Fourth Proportional to 296,689.02, 445,000.86 and 83,463.71

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Solution

The fourth proportional to 296,689.02, 445,000.86 and 83,463.71 is: 125,186.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,689.02 : 445,000.86 = 83,463.71 : x
  2. Step 2: Convert to fraction form
    296,689.02/445,000.86 = 83,463.71/x
  3. Step 3: Cross multiply
    296,689.02x = 445,000.86 × 83,463.71
  4. Step 4: Simplify right side
    296,689.02x = 37,141,422,728.79
  5. Step 5: Solve for x
    x = 37,141,422,728.79/296,689.02
  6. Step 6: Final answer
    x = 125,186.37

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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.