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Finding the Fourth Proportional to 342,463.58, 513,698.84 and 152,933.60

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Solution

The fourth proportional to 342,463.58, 513,698.84 and 152,933.60 is: 229,401.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,463.58 : 513,698.84 = 152,933.60 : x
  2. Step 2: Convert to fraction form
    342,463.58/513,698.84 = 152,933.60/x
  3. Step 3: Cross multiply
    342,463.58x = 513,698.84 × 152,933.60
  4. Step 4: Simplify right side
    342,463.58x = 78,561,809,583.86
  5. Step 5: Solve for x
    x = 78,561,809,583.86/342,463.58
  6. Step 6: Final answer
    x = 229,401.94

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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.