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Finding the Fourth Proportional to 433,703.67, 598,498.20 and 240,120

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Solution

The fourth proportional to 433,703.67, 598,498.20 and 240,120 is: 331,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,703.67 : 598,498.20 = 240,120 : x
  2. Step 2: Convert to fraction form
    433,703.67/598,498.20 = 240,120/x
  3. Step 3: Cross multiply
    433,703.67x = 598,498.20 × 240,120
  4. Step 4: Simplify right side
    433,703.67x = 143,711,387,784
  5. Step 5: Solve for x
    x = 143,711,387,784/433,703.67
  6. Step 6: Final answer
    x = 331,358.48

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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.