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Finding the Fourth Proportional to 817,752.16, 1,226,213.52 and 374,140

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Solution

The fourth proportional to 817,752.16, 1,226,213.52 and 374,140 is: 561,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,752.16 : 1,226,213.52 = 374,140 : x
  2. Step 2: Convert to fraction form
    817,752.16/1,226,213.52 = 374,140/x
  3. Step 3: Cross multiply
    817,752.16x = 1,226,213.52 × 374,140
  4. Step 4: Simplify right side
    817,752.16x = 458,775,526,372.80
  5. Step 5: Solve for x
    x = 458,775,526,372.80/817,752.16
  6. Step 6: Final answer
    x = 561,020.26

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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.