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Finding the Fourth Proportional to 703,636.68, 971,022.02 and 381,346.69

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Solution

The fourth proportional to 703,636.68, 971,022.02 and 381,346.69 is: 526,260.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,636.68 : 971,022.02 = 381,346.69 : x
  2. Step 2: Convert to fraction form
    703,636.68/971,022.02 = 381,346.69/x
  3. Step 3: Cross multiply
    703,636.68x = 971,022.02 × 381,346.69
  4. Step 4: Simplify right side
    703,636.68x = 370,296,033,244.11
  5. Step 5: Solve for x
    x = 370,296,033,244.11/703,636.68
  6. Step 6: Final answer
    x = 526,260.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.