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Finding the Fourth Proportional to 340,295.40, 510,443.10 and 335,046.60

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Solution

The fourth proportional to 340,295.40, 510,443.10 and 335,046.60 is: 502,569.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,295.40 : 510,443.10 = 335,046.60 : x
  2. Step 2: Convert to fraction form
    340,295.40/510,443.10 = 335,046.60/x
  3. Step 3: Cross multiply
    340,295.40x = 510,443.10 × 335,046.60
  4. Step 4: Simplify right side
    340,295.40x = 171,022,225,148.46
  5. Step 5: Solve for x
    x = 171,022,225,148.46/340,295.40
  6. Step 6: Final answer
    x = 502,569.90

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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.