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Finding the Fourth Proportional to 592,642.75, 817,759 and 359,948.59

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Solution

The fourth proportional to 592,642.75, 817,759 and 359,948.59 is: 496,675.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    592,642.75 : 817,759 = 359,948.59 : x
  2. Step 2: Convert to fraction form
    592,642.75/817,759 = 359,948.59/x
  3. Step 3: Cross multiply
    592,642.75x = 817,759 × 359,948.59
  4. Step 4: Simplify right side
    592,642.75x = 294,351,199,009.81
  5. Step 5: Solve for x
    x = 294,351,199,009.81/592,642.75
  6. Step 6: Final answer
    x = 496,675.61

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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.