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Finding the Fourth Proportional to 403,716.60, 604,910.70 and 245,468.52

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Solution

The fourth proportional to 403,716.60, 604,910.70 and 245,468.52 is: 367,798.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,716.60 : 604,910.70 = 245,468.52 : x
  2. Step 2: Convert to fraction form
    403,716.60/604,910.70 = 245,468.52/x
  3. Step 3: Cross multiply
    403,716.60x = 604,910.70 × 245,468.52
  4. Step 4: Simplify right side
    403,716.60x = 148,486,534,261.16
  5. Step 5: Solve for x
    x = 148,486,534,261.16/403,716.60
  6. Step 6: Final answer
    x = 367,798.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.