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Finding the Fourth Proportional to 617,587.32, 926,214.30 and 218,175.52

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Solution

The fourth proportional to 617,587.32, 926,214.30 and 218,175.52 is: 327,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,587.32 : 926,214.30 = 218,175.52 : x
  2. Step 2: Convert to fraction form
    617,587.32/926,214.30 = 218,175.52/x
  3. Step 3: Cross multiply
    617,587.32x = 926,214.30 × 218,175.52
  4. Step 4: Simplify right side
    617,587.32x = 202,077,286,533.94
  5. Step 5: Solve for x
    x = 202,077,286,533.94/617,587.32
  6. Step 6: Final answer
    x = 327,204.40

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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.