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Finding the Fourth Proportional to 330,364.70, 463,443.70 and 330,364.70

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Solution

The fourth proportional to 330,364.70, 463,443.70 and 330,364.70 is: 463,443.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,364.70 : 463,443.70 = 330,364.70 : x
  2. Step 2: Convert to fraction form
    330,364.70/463,443.70 = 330,364.70/x
  3. Step 3: Cross multiply
    330,364.70x = 463,443.70 × 330,364.70
  4. Step 4: Simplify right side
    330,364.70x = 153,105,438,917.39
  5. Step 5: Solve for x
    x = 153,105,438,917.39/330,364.70
  6. Step 6: Final answer
    x = 463,443.70

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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.