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Finding the Fourth Proportional to 666,091.20, 999,136.80 and 596,107.20

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Solution

The fourth proportional to 666,091.20, 999,136.80 and 596,107.20 is: 894,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,091.20 : 999,136.80 = 596,107.20 : x
  2. Step 2: Convert to fraction form
    666,091.20/999,136.80 = 596,107.20/x
  3. Step 3: Cross multiply
    666,091.20x = 999,136.80 × 596,107.20
  4. Step 4: Simplify right side
    666,091.20x = 595,592,640,264.96
  5. Step 5: Solve for x
    x = 595,592,640,264.96/666,091.20
  6. Step 6: Final answer
    x = 894,160.80

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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.