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Finding the Fourth Proportional to 388,952.10, 583,194.78 and 152,012.52

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Solution

The fourth proportional to 388,952.10, 583,194.78 and 152,012.52 is: 227,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,952.10 : 583,194.78 = 152,012.52 : x
  2. Step 2: Convert to fraction form
    388,952.10/583,194.78 = 152,012.52/x
  3. Step 3: Cross multiply
    388,952.10x = 583,194.78 × 152,012.52
  4. Step 4: Simplify right side
    388,952.10x = 88,652,908,158.65
  5. Step 5: Solve for x
    x = 88,652,908,158.65/388,952.10
  6. Step 6: Final answer
    x = 227,927.57

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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.