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Finding the Fourth Proportional to 556,904.70, 835,357.05 and 162,920.70

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Solution

The fourth proportional to 556,904.70, 835,357.05 and 162,920.70 is: 244,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,904.70 : 835,357.05 = 162,920.70 : x
  2. Step 2: Convert to fraction form
    556,904.70/835,357.05 = 162,920.70/x
  3. Step 3: Cross multiply
    556,904.70x = 835,357.05 × 162,920.70
  4. Step 4: Simplify right side
    556,904.70x = 136,096,955,335.94
  5. Step 5: Solve for x
    x = 136,096,955,335.94/556,904.70
  6. Step 6: Final answer
    x = 244,381.05

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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.