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Finding the Fourth Proportional to 338,113.17, 507,356.53 and 188,437.82

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Solution

The fourth proportional to 338,113.17, 507,356.53 and 188,437.82 is: 282,760.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,113.17 : 507,356.53 = 188,437.82 : x
  2. Step 2: Convert to fraction form
    338,113.17/507,356.53 = 188,437.82/x
  3. Step 3: Cross multiply
    338,113.17x = 507,356.53 × 188,437.82
  4. Step 4: Simplify right side
    338,113.17x = 95,605,155,468.09
  5. Step 5: Solve for x
    x = 95,605,155,468.09/338,113.17
  6. Step 6: Final answer
    x = 282,760.81

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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.