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Finding the Fourth Proportional to 301,416.53, 452,208.77 and 245,781.98

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Solution

The fourth proportional to 301,416.53, 452,208.77 and 245,781.98 is: 368,741.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,416.53 : 452,208.77 = 245,781.98 : x
  2. Step 2: Convert to fraction form
    301,416.53/452,208.77 = 245,781.98/x
  3. Step 3: Cross multiply
    301,416.53x = 452,208.77 × 245,781.98
  4. Step 4: Simplify right side
    301,416.53x = 111,144,767,374.00
  5. Step 5: Solve for x
    x = 111,144,767,374.00/301,416.53
  6. Step 6: Final answer
    x = 368,741.45

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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.