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Finding the Fourth Proportional to 517,592.50, 775,910.54 and 277,875.12

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Solution

The fourth proportional to 517,592.50, 775,910.54 and 277,875.12 is: 416,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,592.50 : 775,910.54 = 277,875.12 : x
  2. Step 2: Convert to fraction form
    517,592.50/775,910.54 = 277,875.12/x
  3. Step 3: Cross multiply
    517,592.50x = 775,910.54 × 277,875.12
  4. Step 4: Simplify right side
    517,592.50x = 215,606,234,411.77
  5. Step 5: Solve for x
    x = 215,606,234,411.77/517,592.50
  6. Step 6: Final answer
    x = 416,555.95

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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.