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Finding the Fourth Proportional to 369,574.52, 554,673.35 and 145,092.60

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Solution

The fourth proportional to 369,574.52, 554,673.35 and 145,092.60 is: 217,761.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,574.52 : 554,673.35 = 145,092.60 : x
  2. Step 2: Convert to fraction form
    369,574.52/554,673.35 = 145,092.60/x
  3. Step 3: Cross multiply
    369,574.52x = 554,673.35 × 145,092.60
  4. Step 4: Simplify right side
    369,574.52x = 80,478,998,864.94
  5. Step 5: Solve for x
    x = 80,478,998,864.94/369,574.52
  6. Step 6: Final answer
    x = 217,761.22

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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.