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Finding the Fourth Proportional to 662,691.76, 994,037.65 and 164,055.76

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Solution

The fourth proportional to 662,691.76, 994,037.65 and 164,055.76 is: 246,083.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,691.76 : 994,037.65 = 164,055.76 : x
  2. Step 2: Convert to fraction form
    662,691.76/994,037.65 = 164,055.76/x
  3. Step 3: Cross multiply
    662,691.76x = 994,037.65 × 164,055.76
  4. Step 4: Simplify right side
    662,691.76x = 163,077,602,139.36
  5. Step 5: Solve for x
    x = 163,077,602,139.36/662,691.76
  6. Step 6: Final answer
    x = 246,083.64

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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.