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Finding the Fourth Proportional to 330,311.80, 463,058.60 and 330,311.80

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Solution

The fourth proportional to 330,311.80, 463,058.60 and 330,311.80 is: 463,058.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,311.80 : 463,058.60 = 330,311.80 : x
  2. Step 2: Convert to fraction form
    330,311.80/463,058.60 = 330,311.80/x
  3. Step 3: Cross multiply
    330,311.80x = 463,058.60 × 330,311.80
  4. Step 4: Simplify right side
    330,311.80x = 152,953,719,671.48
  5. Step 5: Solve for x
    x = 152,953,719,671.48/330,311.80
  6. Step 6: Final answer
    x = 463,058.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.