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Finding the Fourth Proportional to 346,064.90, 519,097.35 and 159,440.90

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Solution

The fourth proportional to 346,064.90, 519,097.35 and 159,440.90 is: 239,161.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,064.90 : 519,097.35 = 159,440.90 : x
  2. Step 2: Convert to fraction form
    346,064.90/519,097.35 = 159,440.90/x
  3. Step 3: Cross multiply
    346,064.90x = 519,097.35 × 159,440.90
  4. Step 4: Simplify right side
    346,064.90x = 82,765,348,671.62
  5. Step 5: Solve for x
    x = 82,765,348,671.62/346,064.90
  6. Step 6: Final answer
    x = 239,161.35

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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.