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Finding the Fourth Proportional to 592,136.80, 888,010.80 and 218,111.20

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Solution

The fourth proportional to 592,136.80, 888,010.80 and 218,111.20 is: 327,095.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,136.80 : 888,010.80 = 218,111.20 : x
  2. Step 2: Convert to fraction form
    592,136.80/888,010.80 = 218,111.20/x
  3. Step 3: Cross multiply
    592,136.80x = 888,010.80 × 218,111.20
  4. Step 4: Simplify right side
    592,136.80x = 193,685,101,200.96
  5. Step 5: Solve for x
    x = 193,685,101,200.96/592,136.80
  6. Step 6: Final answer
    x = 327,095.19

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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.