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Finding the Fourth Proportional to 682,880.90, 942,210.29 and 437,753.70

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Solution

The fourth proportional to 682,880.90, 942,210.29 and 437,753.70 is: 603,994.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,880.90 : 942,210.29 = 437,753.70 : x
  2. Step 2: Convert to fraction form
    682,880.90/942,210.29 = 437,753.70/x
  3. Step 3: Cross multiply
    682,880.90x = 942,210.29 × 437,753.70
  4. Step 4: Simplify right side
    682,880.90x = 412,456,041,719.96
  5. Step 5: Solve for x
    x = 412,456,041,719.96/682,880.90
  6. Step 6: Final answer
    x = 603,994.11

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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.