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Finding the Fourth Proportional to 540,098.16, 809,646.40 and 185,027.80

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Solution

The fourth proportional to 540,098.16, 809,646.40 and 185,027.80 is: 277,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,098.16 : 809,646.40 = 185,027.80 : x
  2. Step 2: Convert to fraction form
    540,098.16/809,646.40 = 185,027.80/x
  3. Step 3: Cross multiply
    540,098.16x = 809,646.40 × 185,027.80
  4. Step 4: Simplify right side
    540,098.16x = 149,807,092,169.92
  5. Step 5: Solve for x
    x = 149,807,092,169.92/540,098.16
  6. Step 6: Final answer
    x = 277,370.12

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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.