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Finding the Fourth Proportional to 580,200.30, 870,300.45 and 367,623.90

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Solution

The fourth proportional to 580,200.30, 870,300.45 and 367,623.90 is: 551,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,200.30 : 870,300.45 = 367,623.90 : x
  2. Step 2: Convert to fraction form
    580,200.30/870,300.45 = 367,623.90/x
  3. Step 3: Cross multiply
    580,200.30x = 870,300.45 × 367,623.90
  4. Step 4: Simplify right side
    580,200.30x = 319,943,245,600.76
  5. Step 5: Solve for x
    x = 319,943,245,600.76/580,200.30
  6. Step 6: Final answer
    x = 551,435.85

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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.