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Finding the Fourth Proportional to 237,855.84, 328,413.27 and 153,120.54

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Solution

The fourth proportional to 237,855.84, 328,413.27 and 153,120.54 is: 211,417.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,855.84 : 328,413.27 = 153,120.54 : x
  2. Step 2: Convert to fraction form
    237,855.84/328,413.27 = 153,120.54/x
  3. Step 3: Cross multiply
    237,855.84x = 328,413.27 × 153,120.54
  4. Step 4: Simplify right side
    237,855.84x = 50,286,817,245.57
  5. Step 5: Solve for x
    x = 50,286,817,245.57/237,855.84
  6. Step 6: Final answer
    x = 211,417.21

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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.