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Finding the Fourth Proportional to 805,871.79, 1,208,391.64 and 237,179

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Solution

The fourth proportional to 805,871.79, 1,208,391.64 and 237,179 is: 355,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,871.79 : 1,208,391.64 = 237,179 : x
  2. Step 2: Convert to fraction form
    805,871.79/1,208,391.64 = 237,179/x
  3. Step 3: Cross multiply
    805,871.79x = 1,208,391.64 × 237,179
  4. Step 4: Simplify right side
    805,871.79x = 286,605,120,190.61
  5. Step 5: Solve for x
    x = 286,605,120,190.61/805,871.79
  6. Step 6: Final answer
    x = 355,646.05

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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.