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Finding the Fourth Proportional to 301,728.78, 452,215.85 and 152,006.76

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Solution

The fourth proportional to 301,728.78, 452,215.85 and 152,006.76 is: 227,820.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,728.78 : 452,215.85 = 152,006.76 : x
  2. Step 2: Convert to fraction form
    301,728.78/452,215.85 = 152,006.76/x
  3. Step 3: Cross multiply
    301,728.78x = 452,215.85 × 152,006.76
  4. Step 4: Simplify right side
    301,728.78x = 68,739,865,419.11
  5. Step 5: Solve for x
    x = 68,739,865,419.11/301,728.78
  6. Step 6: Final answer
    x = 227,820.05

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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.