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Finding the Fourth Proportional to 266,429.20, 399,643.80 and 244,656.40

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Solution

The fourth proportional to 266,429.20, 399,643.80 and 244,656.40 is: 366,984.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,429.20 : 399,643.80 = 244,656.40 : x
  2. Step 2: Convert to fraction form
    266,429.20/399,643.80 = 244,656.40/x
  3. Step 3: Cross multiply
    266,429.20x = 399,643.80 × 244,656.40
  4. Step 4: Simplify right side
    266,429.20x = 97,775,413,390.32
  5. Step 5: Solve for x
    x = 97,775,413,390.32/266,429.20
  6. Step 6: Final answer
    x = 366,984.60

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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.