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Finding the Fourth Proportional to 550,792.64, 825,135.68 and 372,424.16

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Solution

The fourth proportional to 550,792.64, 825,135.68 and 372,424.16 is: 557,924.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,792.64 : 825,135.68 = 372,424.16 : x
  2. Step 2: Convert to fraction form
    550,792.64/825,135.68 = 372,424.16/x
  3. Step 3: Cross multiply
    550,792.64x = 825,135.68 × 372,424.16
  4. Step 4: Simplify right side
    550,792.64x = 307,300,462,510.03
  5. Step 5: Solve for x
    x = 307,300,462,510.03/550,792.64
  6. Step 6: Final answer
    x = 557,924.05

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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.