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Finding the Fourth Proportional to 272,034.80, 407,653.80 and 243,954.80

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Solution

The fourth proportional to 272,034.80, 407,653.80 and 243,954.80 is: 365,574.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,034.80 : 407,653.80 = 243,954.80 : x
  2. Step 2: Convert to fraction form
    272,034.80/407,653.80 = 243,954.80/x
  3. Step 3: Cross multiply
    272,034.80x = 407,653.80 × 243,954.80
  4. Step 4: Simplify right side
    272,034.80x = 99,449,101,248.24
  5. Step 5: Solve for x
    x = 99,449,101,248.24/272,034.80
  6. Step 6: Final answer
    x = 365,574.92

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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.