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Finding the Fourth Proportional to 563,720.24, 777,969.96 and 372,398.24

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Solution

The fourth proportional to 563,720.24, 777,969.96 and 372,398.24 is: 513,933.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,720.24 : 777,969.96 = 372,398.24 : x
  2. Step 2: Convert to fraction form
    563,720.24/777,969.96 = 372,398.24/x
  3. Step 3: Cross multiply
    563,720.24x = 777,969.96 × 372,398.24
  4. Step 4: Simplify right side
    563,720.24x = 289,714,643,876.87
  5. Step 5: Solve for x
    x = 289,714,643,876.87/563,720.24
  6. Step 6: Final answer
    x = 513,933.37

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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.