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Finding the Fourth Proportional to 486,998.16, 730,462.40 and 150,003.63

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Solution

The fourth proportional to 486,998.16, 730,462.40 and 150,003.63 is: 224,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,998.16 : 730,462.40 = 150,003.63 : x
  2. Step 2: Convert to fraction form
    486,998.16/730,462.40 = 150,003.63/x
  3. Step 3: Cross multiply
    486,998.16x = 730,462.40 × 150,003.63
  4. Step 4: Simplify right side
    486,998.16x = 109,572,012,234.78
  5. Step 5: Solve for x
    x = 109,572,012,234.78/486,998.16
  6. Step 6: Final answer
    x = 224,994.72

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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.