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Finding the Fourth Proportional to 662,124.80, 993,110.40 and 188,883.20

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Solution

The fourth proportional to 662,124.80, 993,110.40 and 188,883.20 is: 283,302.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,124.80 : 993,110.40 = 188,883.20 : x
  2. Step 2: Convert to fraction form
    662,124.80/993,110.40 = 188,883.20/x
  3. Step 3: Cross multiply
    662,124.80x = 993,110.40 × 188,883.20
  4. Step 4: Simplify right side
    662,124.80x = 187,581,870,305.28
  5. Step 5: Solve for x
    x = 187,581,870,305.28/662,124.80
  6. Step 6: Final answer
    x = 283,302.89

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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.