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Finding the Fourth Proportional to 554,758.08, 832,160.81 and 217,871.74

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Solution

The fourth proportional to 554,758.08, 832,160.81 and 217,871.74 is: 326,816.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,758.08 : 832,160.81 = 217,871.74 : x
  2. Step 2: Convert to fraction form
    554,758.08/832,160.81 = 217,871.74/x
  3. Step 3: Cross multiply
    554,758.08x = 832,160.81 × 217,871.74
  4. Step 4: Simplify right side
    554,758.08x = 181,304,323,634.51
  5. Step 5: Solve for x
    x = 181,304,323,634.51/554,758.08
  6. Step 6: Final answer
    x = 326,816.91

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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.