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Finding the Fourth Proportional to 522,798.58, 784,123.74 and 167,766.70

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Solution

The fourth proportional to 522,798.58, 784,123.74 and 167,766.70 is: 251,626.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,798.58 : 784,123.74 = 167,766.70 : x
  2. Step 2: Convert to fraction form
    522,798.58/784,123.74 = 167,766.70/x
  3. Step 3: Cross multiply
    522,798.58x = 784,123.74 × 167,766.70
  4. Step 4: Simplify right side
    522,798.58x = 131,549,852,251.46
  5. Step 5: Solve for x
    x = 131,549,852,251.46/522,798.58
  6. Step 6: Final answer
    x = 251,626.26

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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.