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Finding the Fourth Proportional to 444,497.76, 613,421.28 and 243,293.76

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Solution

The fourth proportional to 444,497.76, 613,421.28 and 243,293.76 is: 335,753.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,497.76 : 613,421.28 = 243,293.76 : x
  2. Step 2: Convert to fraction form
    444,497.76/613,421.28 = 243,293.76/x
  3. Step 3: Cross multiply
    444,497.76x = 613,421.28 × 243,293.76
  4. Step 4: Simplify right side
    444,497.76x = 149,241,569,675.21
  5. Step 5: Solve for x
    x = 149,241,569,675.21/444,497.76
  6. Step 6: Final answer
    x = 335,753.25

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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.