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Finding the Fourth Proportional to 555,646.32, 833,468.22 and 200,660.40

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Solution

The fourth proportional to 555,646.32, 833,468.22 and 200,660.40 is: 300,990.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,646.32 : 833,468.22 = 200,660.40 : x
  2. Step 2: Convert to fraction form
    555,646.32/833,468.22 = 200,660.40/x
  3. Step 3: Cross multiply
    555,646.32x = 833,468.22 × 200,660.40
  4. Step 4: Simplify right side
    555,646.32x = 167,244,066,412.49
  5. Step 5: Solve for x
    x = 167,244,066,412.49/555,646.32
  6. Step 6: Final answer
    x = 300,990.14

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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.