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Finding the Fourth Proportional to 522,754.61, 783,816.21 and 234,513.47

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Solution

The fourth proportional to 522,754.61, 783,816.21 and 234,513.47 is: 351,628.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,754.61 : 783,816.21 = 234,513.47 : x
  2. Step 2: Convert to fraction form
    522,754.61/783,816.21 = 234,513.47/x
  3. Step 3: Cross multiply
    522,754.61x = 783,816.21 × 234,513.47
  4. Step 4: Simplify right side
    522,754.61x = 183,815,461,208.89
  5. Step 5: Solve for x
    x = 183,815,461,208.89/522,754.61
  6. Step 6: Final answer
    x = 351,628.58

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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.