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Finding the Fourth Proportional to 563,572, 777,808.92 and 348,781.24

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Solution

The fourth proportional to 563,572, 777,808.92 and 348,781.24 is: 481,367.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,572 : 777,808.92 = 348,781.24 : x
  2. Step 2: Convert to fraction form
    563,572/777,808.92 = 348,781.24/x
  3. Step 3: Cross multiply
    563,572x = 777,808.92 × 348,781.24
  4. Step 4: Simplify right side
    563,572x = 271,285,159,600.66
  5. Step 5: Solve for x
    x = 271,285,159,600.66/563,572
  6. Step 6: Final answer
    x = 481,367.35

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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.