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Finding the Fourth Proportional to 368,593.88, 508,685.28 and 207,464.36

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Solution

The fourth proportional to 368,593.88, 508,685.28 and 207,464.36 is: 286,315.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,593.88 : 508,685.28 = 207,464.36 : x
  2. Step 2: Convert to fraction form
    368,593.88/508,685.28 = 207,464.36/x
  3. Step 3: Cross multiply
    368,593.88x = 508,685.28 × 207,464.36
  4. Step 4: Simplify right side
    368,593.88x = 105,534,066,056.62
  5. Step 5: Solve for x
    x = 105,534,066,056.62/368,593.88
  6. Step 6: Final answer
    x = 286,315.30

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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.