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Finding the Fourth Proportional to 580,202.10, 870,303.15 and 159,477.30

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Solution

The fourth proportional to 580,202.10, 870,303.15 and 159,477.30 is: 239,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,202.10 : 870,303.15 = 159,477.30 : x
  2. Step 2: Convert to fraction form
    580,202.10/870,303.15 = 159,477.30/x
  3. Step 3: Cross multiply
    580,202.10x = 870,303.15 × 159,477.30
  4. Step 4: Simplify right side
    580,202.10x = 138,793,596,543.50
  5. Step 5: Solve for x
    x = 138,793,596,543.50/580,202.10
  6. Step 6: Final answer
    x = 239,215.95

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Similar ratio
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1.5x scale

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.