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Finding the Fourth Proportional to 369,901.80, 510,464.76 and 200,135.52

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Solution

The fourth proportional to 369,901.80, 510,464.76 and 200,135.52 is: 276,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,901.80 : 510,464.76 = 200,135.52 : x
  2. Step 2: Convert to fraction form
    369,901.80/510,464.76 = 200,135.52/x
  3. Step 3: Cross multiply
    369,901.80x = 510,464.76 × 200,135.52
  4. Step 4: Simplify right side
    369,901.80x = 102,162,130,184.28
  5. Step 5: Solve for x
    x = 102,162,130,184.28/369,901.80
  6. Step 6: Final answer
    x = 276,187.17

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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.