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Finding the Fourth Proportional to 432,001.30, 648,001.95 and 195,805.30

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Solution

The fourth proportional to 432,001.30, 648,001.95 and 195,805.30 is: 293,707.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,001.30 : 648,001.95 = 195,805.30 : x
  2. Step 2: Convert to fraction form
    432,001.30/648,001.95 = 195,805.30/x
  3. Step 3: Cross multiply
    432,001.30x = 648,001.95 × 195,805.30
  4. Step 4: Simplify right side
    432,001.30x = 126,882,216,220.34
  5. Step 5: Solve for x
    x = 126,882,216,220.34/432,001.30
  6. Step 6: Final answer
    x = 293,707.95

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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.