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Finding the Fourth Proportional to 311,036.90, 466,555.35 and 111,363.80

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Solution

The fourth proportional to 311,036.90, 466,555.35 and 111,363.80 is: 167,045.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,036.90 : 466,555.35 = 111,363.80 : x
  2. Step 2: Convert to fraction form
    311,036.90/466,555.35 = 111,363.80/x
  3. Step 3: Cross multiply
    311,036.90x = 466,555.35 × 111,363.80
  4. Step 4: Simplify right side
    311,036.90x = 51,957,376,686.33
  5. Step 5: Solve for x
    x = 51,957,376,686.33/311,036.90
  6. Step 6: Final answer
    x = 167,045.70

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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.