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Finding the Fourth Proportional to 266,661.20, 399,991.80 and 244,888.40

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Solution

The fourth proportional to 266,661.20, 399,991.80 and 244,888.40 is: 367,332.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,661.20 : 399,991.80 = 244,888.40 : x
  2. Step 2: Convert to fraction form
    266,661.20/399,991.80 = 244,888.40/x
  3. Step 3: Cross multiply
    266,661.20x = 399,991.80 × 244,888.40
  4. Step 4: Simplify right side
    266,661.20x = 97,953,351,915.12
  5. Step 5: Solve for x
    x = 97,953,351,915.12/266,661.20
  6. Step 6: Final answer
    x = 367,332.60

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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.