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Finding the Fourth Proportional to 296,039.40, 444,059.10 and 146,221.80

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Solution

The fourth proportional to 296,039.40, 444,059.10 and 146,221.80 is: 219,332.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,039.40 : 444,059.10 = 146,221.80 : x
  2. Step 2: Convert to fraction form
    296,039.40/444,059.10 = 146,221.80/x
  3. Step 3: Cross multiply
    296,039.40x = 444,059.10 × 146,221.80
  4. Step 4: Simplify right side
    296,039.40x = 64,931,120,908.38
  5. Step 5: Solve for x
    x = 64,931,120,908.38/296,039.40
  6. Step 6: Final answer
    x = 219,332.70

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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.