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Finding the Fourth Proportional to 288,614.10, 432,921.15 and 101,601.30

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Solution

The fourth proportional to 288,614.10, 432,921.15 and 101,601.30 is: 152,401.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,614.10 : 432,921.15 = 101,601.30 : x
  2. Step 2: Convert to fraction form
    288,614.10/432,921.15 = 101,601.30/x
  3. Step 3: Cross multiply
    288,614.10x = 432,921.15 × 101,601.30
  4. Step 4: Simplify right side
    288,614.10x = 43,985,351,637.50
  5. Step 5: Solve for x
    x = 43,985,351,637.50/288,614.10
  6. Step 6: Final answer
    x = 152,401.95

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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.