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Finding the Fourth Proportional to 346,032.72, 519,340.72 and 135,818.24

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Solution

The fourth proportional to 346,032.72, 519,340.72 and 135,818.24 is: 203,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,032.72 : 519,340.72 = 135,818.24 : x
  2. Step 2: Convert to fraction form
    346,032.72/519,340.72 = 135,818.24/x
  3. Step 3: Cross multiply
    346,032.72x = 519,340.72 × 135,818.24
  4. Step 4: Simplify right side
    346,032.72x = 70,535,942,550.73
  5. Step 5: Solve for x
    x = 70,535,942,550.73/346,032.72
  6. Step 6: Final answer
    x = 203,841.83

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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.