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Finding the Fourth Proportional to 586,207.20, 879,454.80 and 165,477.60

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Solution

The fourth proportional to 586,207.20, 879,454.80 and 165,477.60 is: 248,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,207.20 : 879,454.80 = 165,477.60 : x
  2. Step 2: Convert to fraction form
    586,207.20/879,454.80 = 165,477.60/x
  3. Step 3: Cross multiply
    586,207.20x = 879,454.80 × 165,477.60
  4. Step 4: Simplify right side
    586,207.20x = 145,530,069,612.48
  5. Step 5: Solve for x
    x = 145,530,069,612.48/586,207.20
  6. Step 6: Final answer
    x = 248,257.05

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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.