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Finding the Fourth Proportional to 533,929.87, 736,857.44 and 307,571.47

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Solution

The fourth proportional to 533,929.87, 736,857.44 and 307,571.47 is: 424,468.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,929.87 : 736,857.44 = 307,571.47 : x
  2. Step 2: Convert to fraction form
    533,929.87/736,857.44 = 307,571.47/x
  3. Step 3: Cross multiply
    533,929.87x = 736,857.44 × 307,571.47
  4. Step 4: Simplify right side
    533,929.87x = 226,636,324,463.38
  5. Step 5: Solve for x
    x = 226,636,324,463.38/533,929.87
  6. Step 6: Final answer
    x = 424,468.34

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1.5x scale

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.