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Finding the Fourth Proportional to 556,115.46, 767,168.73 and 329,600.58

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Solution

The fourth proportional to 556,115.46, 767,168.73 and 329,600.58 is: 454,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,115.46 : 767,168.73 = 329,600.58 : x
  2. Step 2: Convert to fraction form
    556,115.46/767,168.73 = 329,600.58/x
  3. Step 3: Cross multiply
    556,115.46x = 767,168.73 × 329,600.58
  4. Step 4: Simplify right side
    556,115.46x = 252,859,258,365.86
  5. Step 5: Solve for x
    x = 252,859,258,365.86/556,115.46
  6. Step 6: Final answer
    x = 454,688.42

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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.