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Finding the Fourth Proportional to 562,580.10, 776,354.22 and 307,928.25

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Solution

The fourth proportional to 562,580.10, 776,354.22 and 307,928.25 is: 424,937.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,580.10 : 776,354.22 = 307,928.25 : x
  2. Step 2: Convert to fraction form
    562,580.10/776,354.22 = 307,928.25/x
  3. Step 3: Cross multiply
    562,580.10x = 776,354.22 × 307,928.25
  4. Step 4: Simplify right side
    562,580.10x = 239,061,396,344.72
  5. Step 5: Solve for x
    x = 239,061,396,344.72/562,580.10
  6. Step 6: Final answer
    x = 424,937.53

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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.