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Finding the Fourth Proportional to 466,587.30, 699,362.55 and 256,376.10

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Solution

The fourth proportional to 466,587.30, 699,362.55 and 256,376.10 is: 384,279.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,587.30 : 699,362.55 = 256,376.10 : x
  2. Step 2: Convert to fraction form
    466,587.30/699,362.55 = 256,376.10/x
  3. Step 3: Cross multiply
    466,587.30x = 699,362.55 × 256,376.10
  4. Step 4: Simplify right side
    466,587.30x = 179,299,843,055.06
  5. Step 5: Solve for x
    x = 179,299,843,055.06/466,587.30
  6. Step 6: Final answer
    x = 384,279.30

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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.