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Finding the Fourth Proportional to 454,673.47, 627,464.55 and 247,953.18

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Solution

The fourth proportional to 454,673.47, 627,464.55 and 247,953.18 is: 342,183.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,673.47 : 627,464.55 = 247,953.18 : x
  2. Step 2: Convert to fraction form
    454,673.47/627,464.55 = 247,953.18/x
  3. Step 3: Cross multiply
    454,673.47x = 627,464.55 × 247,953.18
  4. Step 4: Simplify right side
    454,673.47x = 155,581,830,509.77
  5. Step 5: Solve for x
    x = 155,581,830,509.77/454,673.47
  6. Step 6: Final answer
    x = 342,183.66

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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.