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Finding the Fourth Proportional to 549,155.07, 823,424.24 and 376,241.97

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Solution

The fourth proportional to 549,155.07, 823,424.24 and 376,241.97 is: 564,151.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,155.07 : 823,424.24 = 376,241.97 : x
  2. Step 2: Convert to fraction form
    549,155.07/823,424.24 = 376,241.97/x
  3. Step 3: Cross multiply
    549,155.07x = 823,424.24 × 376,241.97
  4. Step 4: Simplify right side
    549,155.07x = 309,806,756,322.14
  5. Step 5: Solve for x
    x = 309,806,756,322.14/549,155.07
  6. Step 6: Final answer
    x = 564,151.68

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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.