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Finding the Fourth Proportional to 508,449.24, 759,018.51 and 471,539.16

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Solution

The fourth proportional to 508,449.24, 759,018.51 and 471,539.16 is: 703,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,449.24 : 759,018.51 = 471,539.16 : x
  2. Step 2: Convert to fraction form
    508,449.24/759,018.51 = 471,539.16/x
  3. Step 3: Cross multiply
    508,449.24x = 759,018.51 × 471,539.16
  4. Step 4: Simplify right side
    508,449.24x = 357,906,950,629.85
  5. Step 5: Solve for x
    x = 357,906,950,629.85/508,449.24
  6. Step 6: Final answer
    x = 703,918.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.