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Finding the Fourth Proportional to 369,274.71, 554,005.38 and 103,035.06

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Solution

The fourth proportional to 369,274.71, 554,005.38 and 103,035.06 is: 154,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,274.71 : 554,005.38 = 103,035.06 : x
  2. Step 2: Convert to fraction form
    369,274.71/554,005.38 = 103,035.06/x
  3. Step 3: Cross multiply
    369,274.71x = 554,005.38 × 103,035.06
  4. Step 4: Simplify right side
    369,274.71x = 57,081,977,568.62
  5. Step 5: Solve for x
    x = 57,081,977,568.62/369,274.71
  6. Step 6: Final answer
    x = 154,578.63

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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.