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Finding the Fourth Proportional to 572,336.10, 789,599.06 and 342,903.06

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Solution

The fourth proportional to 572,336.10, 789,599.06 and 342,903.06 is: 473,071.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,336.10 : 789,599.06 = 342,903.06 : x
  2. Step 2: Convert to fraction form
    572,336.10/789,599.06 = 342,903.06/x
  3. Step 3: Cross multiply
    572,336.10x = 789,599.06 × 342,903.06
  4. Step 4: Simplify right side
    572,336.10x = 270,755,932,132.61
  5. Step 5: Solve for x
    x = 270,755,932,132.61/572,336.10
  6. Step 6: Final answer
    x = 473,071.56

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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.