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Finding the Fourth Proportional to 662,029.20, 993,454.20 and 346,712.40

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Solution

The fourth proportional to 662,029.20, 993,454.20 and 346,712.40 is: 520,283.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,029.20 : 993,454.20 = 346,712.40 : x
  2. Step 2: Convert to fraction form
    662,029.20/993,454.20 = 346,712.40/x
  3. Step 3: Cross multiply
    662,029.20x = 993,454.20 × 346,712.40
  4. Step 4: Simplify right side
    662,029.20x = 344,442,889,972.08
  5. Step 5: Solve for x
    x = 344,442,889,972.08/662,029.20
  6. Step 6: Final answer
    x = 520,283.53

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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.