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Finding the Fourth Proportional to 370,028.72, 555,264.51 and 159,666.66

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Solution

The fourth proportional to 370,028.72, 555,264.51 and 159,666.66 is: 239,595.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,028.72 : 555,264.51 = 159,666.66 : x
  2. Step 2: Convert to fraction form
    370,028.72/555,264.51 = 159,666.66/x
  3. Step 3: Cross multiply
    370,028.72x = 555,264.51 × 159,666.66
  4. Step 4: Simplify right side
    370,028.72x = 88,657,229,728.24
  5. Step 5: Solve for x
    x = 88,657,229,728.24/370,028.72
  6. Step 6: Final answer
    x = 239,595.54

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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.