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Finding the Fourth Proportional to 369,968.51, 554,737.41 and 145,065.33

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Solution

The fourth proportional to 369,968.51, 554,737.41 and 145,065.33 is: 217,513.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,968.51 : 554,737.41 = 145,065.33 : x
  2. Step 2: Convert to fraction form
    369,968.51/554,737.41 = 145,065.33/x
  3. Step 3: Cross multiply
    369,968.51x = 554,737.41 × 145,065.33
  4. Step 4: Simplify right side
    369,968.51x = 80,473,165,445.00
  5. Step 5: Solve for x
    x = 80,473,165,445.00/369,968.51
  6. Step 6: Final answer
    x = 217,513.55

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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.