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Finding the Fourth Proportional to 304,793.01, 420,618.78 and 175,729.23

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Solution

The fourth proportional to 304,793.01, 420,618.78 and 175,729.23 is: 242,508.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,793.01 : 420,618.78 = 175,729.23 : x
  2. Step 2: Convert to fraction form
    304,793.01/420,618.78 = 175,729.23/x
  3. Step 3: Cross multiply
    304,793.01x = 420,618.78 × 175,729.23
  4. Step 4: Simplify right side
    304,793.01x = 73,915,014,332.94
  5. Step 5: Solve for x
    x = 73,915,014,332.94/304,793.01
  6. Step 6: Final answer
    x = 242,508.89

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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.