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Finding the Fourth Proportional to 343,093.29, 473,413.61 and 215,678.67

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Solution

The fourth proportional to 343,093.29, 473,413.61 and 215,678.67 is: 297,601.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,093.29 : 473,413.61 = 215,678.67 : x
  2. Step 2: Convert to fraction form
    343,093.29/473,413.61 = 215,678.67/x
  3. Step 3: Cross multiply
    343,093.29x = 473,413.61 × 215,678.67
  4. Step 4: Simplify right side
    343,093.29x = 102,105,217,764.70
  5. Step 5: Solve for x
    x = 102,105,217,764.70/343,093.29
  6. Step 6: Final answer
    x = 297,601.91

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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.