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Finding the Fourth Proportional to 548,409.80, 822,873.90 and 233,136.20

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Solution

The fourth proportional to 548,409.80, 822,873.90 and 233,136.20 is: 349,814.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,409.80 : 822,873.90 = 233,136.20 : x
  2. Step 2: Convert to fraction form
    548,409.80/822,873.90 = 233,136.20/x
  3. Step 3: Cross multiply
    548,409.80x = 822,873.90 × 233,136.20
  4. Step 4: Simplify right side
    548,409.80x = 191,841,694,125.18
  5. Step 5: Solve for x
    x = 191,841,694,125.18/548,409.80
  6. Step 6: Final answer
    x = 349,814.49

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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.