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Finding the Fourth Proportional to 369,813.47, 510,342.05 and 200,047.73

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Solution

The fourth proportional to 369,813.47, 510,342.05 and 200,047.73 is: 276,065.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,813.47 : 510,342.05 = 200,047.73 : x
  2. Step 2: Convert to fraction form
    369,813.47/510,342.05 = 200,047.73/x
  3. Step 3: Cross multiply
    369,813.47x = 510,342.05 × 200,047.73
  4. Step 4: Simplify right side
    369,813.47x = 102,092,766,574.46
  5. Step 5: Solve for x
    x = 102,092,766,574.46/369,813.47
  6. Step 6: Final answer
    x = 276,065.57

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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.