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Finding the Fourth Proportional to 369,981.99, 510,575.14 and 200,216.12

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Solution

The fourth proportional to 369,981.99, 510,575.14 and 200,216.12 is: 276,298.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,981.99 : 510,575.14 = 200,216.12 : x
  2. Step 2: Convert to fraction form
    369,981.99/510,575.14 = 200,216.12/x
  3. Step 3: Cross multiply
    369,981.99x = 510,575.14 × 200,216.12
  4. Step 4: Simplify right side
    369,981.99x = 102,225,370,070.44
  5. Step 5: Solve for x
    x = 102,225,370,070.44/369,981.99
  6. Step 6: Final answer
    x = 276,298.23

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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.