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Finding the Fourth Proportional to 577,655.04, 797,102.62 and 319,490.96

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Solution

The fourth proportional to 577,655.04, 797,102.62 and 319,490.96 is: 440,863.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,655.04 : 797,102.62 = 319,490.96 : x
  2. Step 2: Convert to fraction form
    577,655.04/797,102.62 = 319,490.96/x
  3. Step 3: Cross multiply
    577,655.04x = 797,102.62 × 319,490.96
  4. Step 4: Simplify right side
    577,655.04x = 254,667,082,476.34
  5. Step 5: Solve for x
    x = 254,667,082,476.34/577,655.04
  6. Step 6: Final answer
    x = 440,863.60

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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.