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Finding the Fourth Proportional to 277,417.01, 382,828.92 and 156,563.39

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Solution

The fourth proportional to 277,417.01, 382,828.92 and 156,563.39 is: 216,053.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,417.01 : 382,828.92 = 156,563.39 : x
  2. Step 2: Convert to fraction form
    277,417.01/382,828.92 = 156,563.39/x
  3. Step 3: Cross multiply
    277,417.01x = 382,828.92 × 156,563.39
  4. Step 4: Simplify right side
    277,417.01x = 59,936,993,875.20
  5. Step 5: Solve for x
    x = 59,936,993,875.20/277,417.01
  6. Step 6: Final answer
    x = 216,053.78

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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.