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Finding the Fourth Proportional to 330,331.70, 463,397.50 and 330,331.70

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Solution

The fourth proportional to 330,331.70, 463,397.50 and 330,331.70 is: 463,397.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,331.70 : 463,397.50 = 330,331.70 : x
  2. Step 2: Convert to fraction form
    330,331.70/463,397.50 = 330,331.70/x
  3. Step 3: Cross multiply
    330,331.70x = 463,397.50 × 330,331.70
  4. Step 4: Simplify right side
    330,331.70x = 153,074,883,950.75
  5. Step 5: Solve for x
    x = 153,074,883,950.75/330,331.70
  6. Step 6: Final answer
    x = 463,397.50

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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.