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Finding the Fourth Proportional to 350,509.14, 483,702.84 and 189,364.10

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Solution

The fourth proportional to 350,509.14, 483,702.84 and 189,364.10 is: 261,322.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,509.14 : 483,702.84 = 189,364.10 : x
  2. Step 2: Convert to fraction form
    350,509.14/483,702.84 = 189,364.10/x
  3. Step 3: Cross multiply
    350,509.14x = 483,702.84 × 189,364.10
  4. Step 4: Simplify right side
    350,509.14x = 91,595,950,545.53
  5. Step 5: Solve for x
    x = 91,595,950,545.53/350,509.14
  6. Step 6: Final answer
    x = 261,322.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.