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Finding the Fourth Proportional to 369,510.94, 554,267.57 and 103,269.70

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Solution

The fourth proportional to 369,510.94, 554,267.57 and 103,269.70 is: 154,904.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,510.94 : 554,267.57 = 103,269.70 : x
  2. Step 2: Convert to fraction form
    369,510.94/554,267.57 = 103,269.70/x
  3. Step 3: Cross multiply
    369,510.94x = 554,267.57 × 103,269.70
  4. Step 4: Simplify right side
    369,510.94x = 57,239,045,673.63
  5. Step 5: Solve for x
    x = 57,239,045,673.63/369,510.94
  6. Step 6: Final answer
    x = 154,904.87

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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.