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Finding the Fourth Proportional to 508,400.67, 700,954.59 and 372,198.16

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Solution

The fourth proportional to 508,400.67, 700,954.59 and 372,198.16 is: 513,166.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,400.67 : 700,954.59 = 372,198.16 : x
  2. Step 2: Convert to fraction form
    508,400.67/700,954.59 = 372,198.16/x
  3. Step 3: Cross multiply
    508,400.67x = 700,954.59 × 372,198.16
  4. Step 4: Simplify right side
    508,400.67x = 260,894,008,641.55
  5. Step 5: Solve for x
    x = 260,894,008,641.55/508,400.67
  6. Step 6: Final answer
    x = 513,166.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.