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Finding the Fourth Proportional to 662,689.13, 994,033.70 and 164,053.13

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Solution

The fourth proportional to 662,689.13, 994,033.70 and 164,053.13 is: 246,079.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,689.13 : 994,033.70 = 164,053.13 : x
  2. Step 2: Convert to fraction form
    662,689.13/994,033.70 = 164,053.13/x
  3. Step 3: Cross multiply
    662,689.13x = 994,033.70 × 164,053.13
  4. Step 4: Simplify right side
    662,689.13x = 163,074,339,810.48
  5. Step 5: Solve for x
    x = 163,074,339,810.48/662,689.13
  6. Step 6: Final answer
    x = 246,079.70

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Similar ratio
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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.