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Finding the Fourth Proportional to 453,095.43, 624,646.20 and 361,525.74

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Solution

The fourth proportional to 453,095.43, 624,646.20 and 361,525.74 is: 498,406.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,095.43 : 624,646.20 = 361,525.74 : x
  2. Step 2: Convert to fraction form
    453,095.43/624,646.20 = 361,525.74/x
  3. Step 3: Cross multiply
    453,095.43x = 624,646.20 × 361,525.74
  4. Step 4: Simplify right side
    453,095.43x = 225,825,679,693.19
  5. Step 5: Solve for x
    x = 225,825,679,693.19/453,095.43
  6. Step 6: Final answer
    x = 498,406.44

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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.