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Finding the Fourth Proportional to 356,722.61, 492,264.05 and 195,574.10

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Solution

The fourth proportional to 356,722.61, 492,264.05 and 195,574.10 is: 269,885.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,722.61 : 492,264.05 = 195,574.10 : x
  2. Step 2: Convert to fraction form
    356,722.61/492,264.05 = 195,574.10/x
  3. Step 3: Cross multiply
    356,722.61x = 492,264.05 × 195,574.10
  4. Step 4: Simplify right side
    356,722.61x = 96,274,095,101.91
  5. Step 5: Solve for x
    x = 96,274,095,101.91/356,722.61
  6. Step 6: Final answer
    x = 269,885.04

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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.