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Finding the Fourth Proportional to 555,180.76, 832,768.34 and 134,456.64

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Solution

The fourth proportional to 555,180.76, 832,768.34 and 134,456.64 is: 201,684.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,180.76 : 832,768.34 = 134,456.64 : x
  2. Step 2: Convert to fraction form
    555,180.76/832,768.34 = 134,456.64/x
  3. Step 3: Cross multiply
    555,180.76x = 832,768.34 × 134,456.64
  4. Step 4: Simplify right side
    555,180.76x = 111,971,232,894.78
  5. Step 5: Solve for x
    x = 111,971,232,894.78/555,180.76
  6. Step 6: Final answer
    x = 201,684.28

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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.