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Finding the Fourth Proportional to 369,709.14, 554,541.84 and 103,463.76

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Solution

The fourth proportional to 369,709.14, 554,541.84 and 103,463.76 is: 155,189.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,709.14 : 554,541.84 = 103,463.76 : x
  2. Step 2: Convert to fraction form
    369,709.14/554,541.84 = 103,463.76/x
  3. Step 3: Cross multiply
    369,709.14x = 554,541.84 × 103,463.76
  4. Step 4: Simplify right side
    369,709.14x = 57,374,983,843.72
  5. Step 5: Solve for x
    x = 57,374,983,843.72/369,709.14
  6. Step 6: Final answer
    x = 155,189.52

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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.