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Finding the Fourth Proportional to 696,263.04, 961,061.76 and 394,657.92

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Solution

The fourth proportional to 696,263.04, 961,061.76 and 394,657.92 is: 544,751.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,263.04 : 961,061.76 = 394,657.92 : x
  2. Step 2: Convert to fraction form
    696,263.04/961,061.76 = 394,657.92/x
  3. Step 3: Cross multiply
    696,263.04x = 961,061.76 × 394,657.92
  4. Step 4: Simplify right side
    696,263.04x = 379,290,635,193.14
  5. Step 5: Solve for x
    x = 379,290,635,193.14/696,263.04
  6. Step 6: Final answer
    x = 544,751.93

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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.