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Finding the Fourth Proportional to 569,753.03, 786,344.48 and 354,962.30

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Solution

The fourth proportional to 569,753.03, 786,344.48 and 354,962.30 is: 489,901.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,753.03 : 786,344.48 = 354,962.30 : x
  2. Step 2: Convert to fraction form
    569,753.03/786,344.48 = 354,962.30/x
  3. Step 3: Cross multiply
    569,753.03x = 786,344.48 × 354,962.30
  4. Step 4: Simplify right side
    569,753.03x = 279,122,639,506.57
  5. Step 5: Solve for x
    x = 279,122,639,506.57/569,753.03
  6. Step 6: Final answer
    x = 489,901.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.