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Finding the Fourth Proportional to 369,517.63, 509,935.08 and 199,751.76

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Solution

The fourth proportional to 369,517.63, 509,935.08 and 199,751.76 is: 275,657.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,517.63 : 509,935.08 = 199,751.76 : x
  2. Step 2: Convert to fraction form
    369,517.63/509,935.08 = 199,751.76/x
  3. Step 3: Cross multiply
    369,517.63x = 509,935.08 × 199,751.76
  4. Step 4: Simplify right side
    369,517.63x = 101,860,429,715.74
  5. Step 5: Solve for x
    x = 101,860,429,715.74/369,517.63
  6. Step 6: Final answer
    x = 275,657.83

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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.