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Finding the Fourth Proportional to 432,780.04, 648,202.06 and 250,187.12

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Solution

The fourth proportional to 432,780.04, 648,202.06 and 250,187.12 is: 374,721.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,780.04 : 648,202.06 = 250,187.12 : x
  2. Step 2: Convert to fraction form
    432,780.04/648,202.06 = 250,187.12/x
  3. Step 3: Cross multiply
    432,780.04x = 648,202.06 × 250,187.12
  4. Step 4: Simplify right side
    432,780.04x = 162,171,806,569.47
  5. Step 5: Solve for x
    x = 162,171,806,569.47/432,780.04
  6. Step 6: Final answer
    x = 374,721.09

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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.