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Finding the Fourth Proportional to 220,404.77, 304,176.70 and 123,606.76

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Solution

The fourth proportional to 220,404.77, 304,176.70 and 123,606.76 is: 170,587.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,404.77 : 304,176.70 = 123,606.76 : x
  2. Step 2: Convert to fraction form
    220,404.77/304,176.70 = 123,606.76/x
  3. Step 3: Cross multiply
    220,404.77x = 304,176.70 × 123,606.76
  4. Step 4: Simplify right side
    220,404.77x = 37,598,296,354.49
  5. Step 5: Solve for x
    x = 37,598,296,354.49/220,404.77
  6. Step 6: Final answer
    x = 170,587.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.