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Finding the Fourth Proportional to 545,185.36, 818,127.96 and 264,549.52

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Solution

The fourth proportional to 545,185.36, 818,127.96 and 264,549.52 is: 396,994.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,185.36 : 818,127.96 = 264,549.52 : x
  2. Step 2: Convert to fraction form
    545,185.36/818,127.96 = 264,549.52/x
  3. Step 3: Cross multiply
    545,185.36x = 818,127.96 × 264,549.52
  4. Step 4: Simplify right side
    545,185.36x = 216,435,359,116.58
  5. Step 5: Solve for x
    x = 216,435,359,116.58/545,185.36
  6. Step 6: Final answer
    x = 396,994.08

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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.