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Finding the Fourth Proportional to 577,856.13, 797,762.15 and 348,471.51

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Solution

The fourth proportional to 577,856.13, 797,762.15 and 348,471.51 is: 481,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,856.13 : 797,762.15 = 348,471.51 : x
  2. Step 2: Convert to fraction form
    577,856.13/797,762.15 = 348,471.51/x
  3. Step 3: Cross multiply
    577,856.13x = 797,762.15 × 348,471.51
  4. Step 4: Simplify right side
    577,856.13x = 277,997,381,031.35
  5. Step 5: Solve for x
    x = 277,997,381,031.35/577,856.13
  6. Step 6: Final answer
    x = 481,084.07

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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.