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Finding the Fourth Proportional to 370,013.49, 554,974.11 and 103,794.77

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Solution

The fourth proportional to 370,013.49, 554,974.11 and 103,794.77 is: 155,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,013.49 : 554,974.11 = 103,794.77 : x
  2. Step 2: Convert to fraction form
    370,013.49/554,974.11 = 103,794.77/x
  3. Step 3: Cross multiply
    370,013.49x = 554,974.11 × 103,794.77
  4. Step 4: Simplify right side
    370,013.49x = 57,603,408,077.19
  5. Step 5: Solve for x
    x = 57,603,408,077.19/370,013.49
  6. Step 6: Final answer
    x = 155,679.21

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1.5x scale

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.