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Finding the Fourth Proportional to 562,688.94, 776,520.36 and 347,823.48

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Solution

The fourth proportional to 562,688.94, 776,520.36 and 347,823.48 is: 480,002.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,688.94 : 776,520.36 = 347,823.48 : x
  2. Step 2: Convert to fraction form
    562,688.94/776,520.36 = 347,823.48/x
  3. Step 3: Cross multiply
    562,688.94x = 776,520.36 × 347,823.48
  4. Step 4: Simplify right side
    562,688.94x = 270,092,013,906.05
  5. Step 5: Solve for x
    x = 270,092,013,906.05/562,688.94
  6. Step 6: Final answer
    x = 480,002.35

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1.5x scale

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.