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Finding the Fourth Proportional to 353,493.33, 530,240.00 and 291,032.61

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Solution

The fourth proportional to 353,493.33, 530,240.00 and 291,032.61 is: 436,548.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,493.33 : 530,240.00 = 291,032.61 : x
  2. Step 2: Convert to fraction form
    353,493.33/530,240.00 = 291,032.61/x
  3. Step 3: Cross multiply
    353,493.33x = 530,240.00 × 291,032.61
  4. Step 4: Simplify right side
    353,493.33x = 154,317,129,671.24
  5. Step 5: Solve for x
    x = 154,317,129,671.24/353,493.33
  6. Step 6: Final answer
    x = 436,548.92

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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.