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Finding the Fourth Proportional to 369,766.77, 510,277.77 and 200,000.49

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Solution

The fourth proportional to 369,766.77, 510,277.77 and 200,000.49 is: 276,000.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,766.77 : 510,277.77 = 200,000.49 : x
  2. Step 2: Convert to fraction form
    369,766.77/510,277.77 = 200,000.49/x
  3. Step 3: Cross multiply
    369,766.77x = 510,277.77 × 200,000.49
  4. Step 4: Simplify right side
    369,766.77x = 102,055,804,036.11
  5. Step 5: Solve for x
    x = 102,055,804,036.11/369,766.77
  6. Step 6: Final answer
    x = 276,000.47

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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.