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Finding the Fourth Proportional to 576,030.70, 864,046.05 and 310,310.20

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Solution

The fourth proportional to 576,030.70, 864,046.05 and 310,310.20 is: 465,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,030.70 : 864,046.05 = 310,310.20 : x
  2. Step 2: Convert to fraction form
    576,030.70/864,046.05 = 310,310.20/x
  3. Step 3: Cross multiply
    576,030.70x = 864,046.05 × 310,310.20
  4. Step 4: Simplify right side
    576,030.70x = 268,122,302,584.71
  5. Step 5: Solve for x
    x = 268,122,302,584.71/576,030.70
  6. Step 6: Final answer
    x = 465,465.30

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Similar ratio
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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.