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Finding the Fourth Proportional to 614,035.84, 921,177.96 and 259,050.64

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Solution

The fourth proportional to 614,035.84, 921,177.96 and 259,050.64 is: 388,628.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,035.84 : 921,177.96 = 259,050.64 : x
  2. Step 2: Convert to fraction form
    614,035.84/921,177.96 = 259,050.64/x
  3. Step 3: Cross multiply
    614,035.84x = 921,177.96 × 259,050.64
  4. Step 4: Simplify right side
    614,035.84x = 238,631,740,091.89
  5. Step 5: Solve for x
    x = 238,631,740,091.89/614,035.84
  6. Step 6: Final answer
    x = 388,628.36

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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.