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Finding the Fourth Proportional to 243,844.40, 365,053.80 and 173,860.40

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Solution

The fourth proportional to 243,844.40, 365,053.80 and 173,860.40 is: 260,282.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,844.40 : 365,053.80 = 173,860.40 : x
  2. Step 2: Convert to fraction form
    243,844.40/365,053.80 = 173,860.40/x
  3. Step 3: Cross multiply
    243,844.40x = 365,053.80 × 173,860.40
  4. Step 4: Simplify right side
    243,844.40x = 63,468,399,689.52
  5. Step 5: Solve for x
    x = 63,468,399,689.52/243,844.40
  6. Step 6: Final answer
    x = 260,282.38

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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.