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Finding the Fourth Proportional to 610,960.80, 843,349.80 and 369,252.48

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Solution

The fourth proportional to 610,960.80, 843,349.80 and 369,252.48 is: 509,703.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,960.80 : 843,349.80 = 369,252.48 : x
  2. Step 2: Convert to fraction form
    610,960.80/843,349.80 = 369,252.48/x
  3. Step 3: Cross multiply
    610,960.80x = 843,349.80 × 369,252.48
  4. Step 4: Simplify right side
    610,960.80x = 311,409,005,157.50
  5. Step 5: Solve for x
    x = 311,409,005,157.50/610,960.80
  6. Step 6: Final answer
    x = 509,703.74

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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.