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Finding the Fourth Proportional to 562,213.17, 775,872.53 and 307,564.37

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Solution

The fourth proportional to 562,213.17, 775,872.53 and 307,564.37 is: 424,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,213.17 : 775,872.53 = 307,564.37 : x
  2. Step 2: Convert to fraction form
    562,213.17/775,872.53 = 307,564.37/x
  3. Step 3: Cross multiply
    562,213.17x = 775,872.53 × 307,564.37
  4. Step 4: Simplify right side
    562,213.17x = 238,630,740,472.57
  5. Step 5: Solve for x
    x = 238,630,740,472.57/562,213.17
  6. Step 6: Final answer
    x = 424,448.86

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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.