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Finding the Fourth Proportional to 565,165.47, 779,752.44 and 347,145.51

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Solution

The fourth proportional to 565,165.47, 779,752.44 and 347,145.51 is: 478,952.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,165.47 : 779,752.44 = 347,145.51 : x
  2. Step 2: Convert to fraction form
    565,165.47/779,752.44 = 347,145.51/x
  3. Step 3: Cross multiply
    565,165.47x = 779,752.44 × 347,145.51
  4. Step 4: Simplify right side
    565,165.47x = 270,687,558,457.54
  5. Step 5: Solve for x
    x = 270,687,558,457.54/565,165.47
  6. Step 6: Final answer
    x = 478,952.75

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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.