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Finding the Fourth Proportional to 441,080.51, 661,541.45 and 116,870.85

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Solution

The fourth proportional to 441,080.51, 661,541.45 and 116,870.85 is: 175,285.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,080.51 : 661,541.45 = 116,870.85 : x
  2. Step 2: Convert to fraction form
    441,080.51/661,541.45 = 116,870.85/x
  3. Step 3: Cross multiply
    441,080.51x = 661,541.45 × 116,870.85
  4. Step 4: Simplify right side
    441,080.51x = 77,314,910,987.38
  5. Step 5: Solve for x
    x = 77,314,910,987.38/441,080.51
  6. Step 6: Final answer
    x = 175,285.26

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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.