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Finding the Fourth Proportional to 248,444.69, 343,066.77 and 240,410.80

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Solution

The fourth proportional to 248,444.69, 343,066.77 and 240,410.80 is: 331,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,444.69 : 343,066.77 = 240,410.80 : x
  2. Step 2: Convert to fraction form
    248,444.69/343,066.77 = 240,410.80/x
  3. Step 3: Cross multiply
    248,444.69x = 343,066.77 × 240,410.80
  4. Step 4: Simplify right side
    248,444.69x = 82,476,955,948.71
  5. Step 5: Solve for x
    x = 82,476,955,948.71/248,444.69
  6. Step 6: Final answer
    x = 331,973.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.