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Finding the Fourth Proportional to 562,265.28, 775,937.48 and 307,621.94

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Solution

The fourth proportional to 562,265.28, 775,937.48 and 307,621.94 is: 424,524.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,265.28 : 775,937.48 = 307,621.94 : x
  2. Step 2: Convert to fraction form
    562,265.28/775,937.48 = 307,621.94/x
  3. Step 3: Cross multiply
    562,265.28x = 775,937.48 × 307,621.94
  4. Step 4: Simplify right side
    562,265.28x = 238,695,387,498.51
  5. Step 5: Solve for x
    x = 238,695,387,498.51/562,265.28
  6. Step 6: Final answer
    x = 424,524.50

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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.