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Finding the Fourth Proportional to 402,537.30, 603,805.95 and 165,801.30

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Solution

The fourth proportional to 402,537.30, 603,805.95 and 165,801.30 is: 248,701.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,537.30 : 603,805.95 = 165,801.30 : x
  2. Step 2: Convert to fraction form
    402,537.30/603,805.95 = 165,801.30/x
  3. Step 3: Cross multiply
    402,537.30x = 603,805.95 × 165,801.30
  4. Step 4: Simplify right side
    402,537.30x = 100,111,811,457.74
  5. Step 5: Solve for x
    x = 100,111,811,457.74/402,537.30
  6. Step 6: Final answer
    x = 248,701.95

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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.