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Finding the Fourth Proportional to 535,322.92, 738,534.66 and 308,924.68

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Solution

The fourth proportional to 535,322.92, 738,534.66 and 308,924.68 is: 426,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,322.92 : 738,534.66 = 308,924.68 : x
  2. Step 2: Convert to fraction form
    535,322.92/738,534.66 = 308,924.68/x
  3. Step 3: Cross multiply
    535,322.92x = 738,534.66 × 308,924.68
  4. Step 4: Simplify right side
    535,322.92x = 228,151,583,509.41
  5. Step 5: Solve for x
    x = 228,151,583,509.41/535,322.92
  6. Step 6: Final answer
    x = 426,194.31

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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.