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Finding the Fourth Proportional to 373,392.90, 562,107.38 and 340,325.46

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Solution

The fourth proportional to 373,392.90, 562,107.38 and 340,325.46 is: 512,327.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,392.90 : 562,107.38 = 340,325.46 : x
  2. Step 2: Convert to fraction form
    373,392.90/562,107.38 = 340,325.46/x
  3. Step 3: Cross multiply
    373,392.90x = 562,107.38 × 340,325.46
  4. Step 4: Simplify right side
    373,392.90x = 191,299,450,966.27
  5. Step 5: Solve for x
    x = 191,299,450,966.27/373,392.90
  6. Step 6: Final answer
    x = 512,327.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.