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Finding the Fourth Proportional to 562,234.32, 775,936.72 and 307,623.78

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Solution

The fourth proportional to 562,234.32, 775,936.72 and 307,623.78 is: 424,550.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,234.32 : 775,936.72 = 307,623.78 : x
  2. Step 2: Convert to fraction form
    562,234.32/775,936.72 = 307,623.78/x
  3. Step 3: Cross multiply
    562,234.32x = 775,936.72 × 307,623.78
  4. Step 4: Simplify right side
    562,234.32x = 238,696,586,847.20
  5. Step 5: Solve for x
    x = 238,696,586,847.20/562,234.32
  6. Step 6: Final answer
    x = 424,550.01

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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.