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Finding the Fourth Proportional to 313,417.56, 432,516.24 and 179,281.56

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Solution

The fourth proportional to 313,417.56, 432,516.24 and 179,281.56 is: 247,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,417.56 : 432,516.24 = 179,281.56 : x
  2. Step 2: Convert to fraction form
    313,417.56/432,516.24 = 179,281.56/x
  3. Step 3: Cross multiply
    313,417.56x = 432,516.24 × 179,281.56
  4. Step 4: Simplify right side
    313,417.56x = 77,542,186,232.53
  5. Step 5: Solve for x
    x = 77,542,186,232.53/313,417.56
  6. Step 6: Final answer
    x = 247,408.56

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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.