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Finding the Fourth Proportional to 648,406.44, 894,798.65 and 361,924.02

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Solution

The fourth proportional to 648,406.44, 894,798.65 and 361,924.02 is: 499,453.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,406.44 : 894,798.65 = 361,924.02 : x
  2. Step 2: Convert to fraction form
    648,406.44/894,798.65 = 361,924.02/x
  3. Step 3: Cross multiply
    648,406.44x = 894,798.65 × 361,924.02
  4. Step 4: Simplify right side
    648,406.44x = 323,849,125,403.38
  5. Step 5: Solve for x
    x = 323,849,125,403.38/648,406.44
  6. Step 6: Final answer
    x = 499,453.90

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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.