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Finding the Fourth Proportional to 342,237.32, 513,404.20 and 105,599.24

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Solution

The fourth proportional to 342,237.32, 513,404.20 and 105,599.24 is: 158,413.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,237.32 : 513,404.20 = 105,599.24 : x
  2. Step 2: Convert to fraction form
    342,237.32/513,404.20 = 105,599.24/x
  3. Step 3: Cross multiply
    342,237.32x = 513,404.20 × 105,599.24
  4. Step 4: Simplify right side
    342,237.32x = 54,215,093,332.81
  5. Step 5: Solve for x
    x = 54,215,093,332.81/342,237.32
  6. Step 6: Final answer
    x = 158,413.74

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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.