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Finding the Fourth Proportional to 385,697.87, 576,201.22 and 249,653.62

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Solution

The fourth proportional to 385,697.87, 576,201.22 and 249,653.62 is: 372,962.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,697.87 : 576,201.22 = 249,653.62 : x
  2. Step 2: Convert to fraction form
    385,697.87/576,201.22 = 249,653.62/x
  3. Step 3: Cross multiply
    385,697.87x = 576,201.22 × 249,653.62
  4. Step 4: Simplify right side
    385,697.87x = 143,850,718,356.78
  5. Step 5: Solve for x
    x = 143,850,718,356.78/385,697.87
  6. Step 6: Final answer
    x = 372,962.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.