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Finding the Fourth Proportional to 346,462.60, 519,693.90 and 136,030.60

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Solution

The fourth proportional to 346,462.60, 519,693.90 and 136,030.60 is: 204,045.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,462.60 : 519,693.90 = 136,030.60 : x
  2. Step 2: Convert to fraction form
    346,462.60/519,693.90 = 136,030.60/x
  3. Step 3: Cross multiply
    346,462.60x = 519,693.90 × 136,030.60
  4. Step 4: Simplify right side
    346,462.60x = 70,694,273,033.34
  5. Step 5: Solve for x
    x = 70,694,273,033.34/346,462.60
  6. Step 6: Final answer
    x = 204,045.90

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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.