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Finding the Fourth Proportional to 666,007.20, 999,010.80 and 589,024.80

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Solution

The fourth proportional to 666,007.20, 999,010.80 and 589,024.80 is: 883,537.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,007.20 : 999,010.80 = 589,024.80 : x
  2. Step 2: Convert to fraction form
    666,007.20/999,010.80 = 589,024.80/x
  3. Step 3: Cross multiply
    666,007.20x = 999,010.80 × 589,024.80
  4. Step 4: Simplify right side
    666,007.20x = 588,442,136,667.84
  5. Step 5: Solve for x
    x = 588,442,136,667.84/666,007.20
  6. Step 6: Final answer
    x = 883,537.20

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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.