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Finding the Fourth Proportional to 551,526.17, 761,188.39 and 336,790.71

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Solution

The fourth proportional to 551,526.17, 761,188.39 and 336,790.71 is: 464,821.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,526.17 : 761,188.39 = 336,790.71 : x
  2. Step 2: Convert to fraction form
    551,526.17/761,188.39 = 336,790.71/x
  3. Step 3: Cross multiply
    551,526.17x = 761,188.39 × 336,790.71
  4. Step 4: Simplify right side
    551,526.17x = 256,361,177,469.88
  5. Step 5: Solve for x
    x = 256,361,177,469.88/551,526.17
  6. Step 6: Final answer
    x = 464,821.42

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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.