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Finding the Fourth Proportional to 369,797.91, 510,159.06 and 216,758.52

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Solution

The fourth proportional to 369,797.91, 510,159.06 and 216,758.52 is: 299,031.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,797.91 : 510,159.06 = 216,758.52 : x
  2. Step 2: Convert to fraction form
    369,797.91/510,159.06 = 216,758.52/x
  3. Step 3: Cross multiply
    369,797.91x = 510,159.06 × 216,758.52
  4. Step 4: Simplify right side
    369,797.91x = 110,581,322,810.19
  5. Step 5: Solve for x
    x = 110,581,322,810.19/369,797.91
  6. Step 6: Final answer
    x = 299,031.77

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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.