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Finding the Fourth Proportional to 555,372.25, 832,886.15 and 200,340.14

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Solution

The fourth proportional to 555,372.25, 832,886.15 and 200,340.14 is: 300,448.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,372.25 : 832,886.15 = 200,340.14 : x
  2. Step 2: Convert to fraction form
    555,372.25/832,886.15 = 200,340.14/x
  3. Step 3: Cross multiply
    555,372.25x = 832,886.15 × 200,340.14
  4. Step 4: Simplify right side
    555,372.25x = 166,860,522,728.93
  5. Step 5: Solve for x
    x = 166,860,522,728.93/555,372.25
  6. Step 6: Final answer
    x = 300,448.08

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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.