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Finding the Fourth Proportional to 562,168.96, 775,799.32 and 307,520.15

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Solution

The fourth proportional to 562,168.96, 775,799.32 and 307,520.15 is: 424,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,168.96 : 775,799.32 = 307,520.15 : x
  2. Step 2: Convert to fraction form
    562,168.96/775,799.32 = 307,520.15/x
  3. Step 3: Cross multiply
    562,168.96x = 775,799.32 × 307,520.15
  4. Step 4: Simplify right side
    562,168.96x = 238,573,923,256.30
  5. Step 5: Solve for x
    x = 238,573,923,256.30/562,168.96
  6. Step 6: Final answer
    x = 424,381.17

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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.