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Finding the Fourth Proportional to 441,195, 661,730.01 and 141,636.13

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Solution

The fourth proportional to 441,195, 661,730.01 and 141,636.13 is: 212,434.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,195 : 661,730.01 = 141,636.13 : x
  2. Step 2: Convert to fraction form
    441,195/661,730.01 = 141,636.13/x
  3. Step 3: Cross multiply
    441,195x = 661,730.01 × 141,636.13
  4. Step 4: Simplify right side
    441,195x = 93,724,877,721.26
  5. Step 5: Solve for x
    x = 93,724,877,721.26/441,195
  6. Step 6: Final answer
    x = 212,434.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.