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Finding the Fourth Proportional to 610,156.77, 915,131.11 and 160,882.05

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Solution

The fourth proportional to 610,156.77, 915,131.11 and 160,882.05 is: 241,295.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,156.77 : 915,131.11 = 160,882.05 : x
  2. Step 2: Convert to fraction form
    610,156.77/915,131.11 = 160,882.05/x
  3. Step 3: Cross multiply
    610,156.77x = 915,131.11 × 160,882.05
  4. Step 4: Simplify right side
    610,156.77x = 147,228,168,995.58
  5. Step 5: Solve for x
    x = 147,228,168,995.58/610,156.77
  6. Step 6: Final answer
    x = 241,295.64

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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.