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Finding the Fourth Proportional to 382,262.52, 572,503.86 and 368,974.20

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Solution

The fourth proportional to 382,262.52, 572,503.86 and 368,974.20 is: 552,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,262.52 : 572,503.86 = 368,974.20 : x
  2. Step 2: Convert to fraction form
    382,262.52/572,503.86 = 368,974.20/x
  3. Step 3: Cross multiply
    382,262.52x = 572,503.86 × 368,974.20
  4. Step 4: Simplify right side
    382,262.52x = 211,239,153,740.41
  5. Step 5: Solve for x
    x = 211,239,153,740.41/382,262.52
  6. Step 6: Final answer
    x = 552,602.32

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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.