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Finding the Fourth Proportional to 659,165.86, 908,021.96 and 562,053.66

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Solution

The fourth proportional to 659,165.86, 908,021.96 and 562,053.66 is: 774,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,165.86 : 908,021.96 = 562,053.66 : x
  2. Step 2: Convert to fraction form
    659,165.86/908,021.96 = 562,053.66/x
  3. Step 3: Cross multiply
    659,165.86x = 908,021.96 × 562,053.66
  4. Step 4: Simplify right side
    659,165.86x = 510,357,058,628.00
  5. Step 5: Solve for x
    x = 510,357,058,628.00/659,165.86
  6. Step 6: Final answer
    x = 774,246.80

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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.