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Finding the Fourth Proportional to 564,837.99, 779,281.56 and 361,008.22

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Solution

The fourth proportional to 564,837.99, 779,281.56 and 361,008.22 is: 498,066.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,837.99 : 779,281.56 = 361,008.22 : x
  2. Step 2: Convert to fraction form
    564,837.99/779,281.56 = 361,008.22/x
  3. Step 3: Cross multiply
    564,837.99x = 779,281.56 × 361,008.22
  4. Step 4: Simplify right side
    564,837.99x = 281,327,048,854.42
  5. Step 5: Solve for x
    x = 281,327,048,854.42/564,837.99
  6. Step 6: Final answer
    x = 498,066.80

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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.