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Finding the Fourth Proportional to 313,148.55, 432,166.37 and 177,182.49

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Solution

The fourth proportional to 313,148.55, 432,166.37 and 177,182.49 is: 244,523.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,148.55 : 432,166.37 = 177,182.49 : x
  2. Step 2: Convert to fraction form
    313,148.55/432,166.37 = 177,182.49/x
  3. Step 3: Cross multiply
    313,148.55x = 432,166.37 × 177,182.49
  4. Step 4: Simplify right side
    313,148.55x = 76,572,313,530.86
  5. Step 5: Solve for x
    x = 76,572,313,530.86/313,148.55
  6. Step 6: Final answer
    x = 244,523.93

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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.