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Finding the Fourth Proportional to 376,574.30, 564,861.45 and 127,252.70

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Solution

The fourth proportional to 376,574.30, 564,861.45 and 127,252.70 is: 190,879.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,574.30 : 564,861.45 = 127,252.70 : x
  2. Step 2: Convert to fraction form
    376,574.30/564,861.45 = 127,252.70/x
  3. Step 3: Cross multiply
    376,574.30x = 564,861.45 × 127,252.70
  4. Step 4: Simplify right side
    376,574.30x = 71,880,144,638.42
  5. Step 5: Solve for x
    x = 71,880,144,638.42/376,574.30
  6. Step 6: Final answer
    x = 190,879.05

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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.