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Finding the Fourth Proportional to 266,598.30, 400,006.80 and 98,199.30

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Solution

The fourth proportional to 266,598.30, 400,006.80 and 98,199.30 is: 147,339.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,598.30 : 400,006.80 = 98,199.30 : x
  2. Step 2: Convert to fraction form
    266,598.30/400,006.80 = 98,199.30/x
  3. Step 3: Cross multiply
    266,598.30x = 400,006.80 × 98,199.30
  4. Step 4: Simplify right side
    266,598.30x = 39,280,387,755.24
  5. Step 5: Solve for x
    x = 39,280,387,755.24/266,598.30
  6. Step 6: Final answer
    x = 147,339.23

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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.