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Finding the Fourth Proportional to 347,263.84, 520,550.90 and 197,193.52

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Solution

The fourth proportional to 347,263.84, 520,550.90 and 197,193.52 is: 295,594.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,263.84 : 520,550.90 = 197,193.52 : x
  2. Step 2: Convert to fraction form
    347,263.84/520,550.90 = 197,193.52/x
  3. Step 3: Cross multiply
    347,263.84x = 520,550.90 × 197,193.52
  4. Step 4: Simplify right side
    347,263.84x = 102,649,260,721.45
  5. Step 5: Solve for x
    x = 102,649,260,721.45/347,263.84
  6. Step 6: Final answer
    x = 295,594.45

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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.