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Finding the Fourth Proportional to 369,276.71, 554,008.38 and 103,037.06

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Solution

The fourth proportional to 369,276.71, 554,008.38 and 103,037.06 is: 154,581.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,276.71 : 554,008.38 = 103,037.06 : x
  2. Step 2: Convert to fraction form
    369,276.71/554,008.38 = 103,037.06/x
  3. Step 3: Cross multiply
    369,276.71x = 554,008.38 × 103,037.06
  4. Step 4: Simplify right side
    369,276.71x = 57,083,394,690.56
  5. Step 5: Solve for x
    x = 57,083,394,690.56/369,276.71
  6. Step 6: Final answer
    x = 154,581.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.