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Finding the Fourth Proportional to 547,632.40, 821,302.80 and 168,552.40

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Solution

The fourth proportional to 547,632.40, 821,302.80 and 168,552.40 is: 252,783.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,632.40 : 821,302.80 = 168,552.40 : x
  2. Step 2: Convert to fraction form
    547,632.40/821,302.80 = 168,552.40/x
  3. Step 3: Cross multiply
    547,632.40x = 821,302.80 × 168,552.40
  4. Step 4: Simplify right side
    547,632.40x = 138,432,558,066.72
  5. Step 5: Solve for x
    x = 138,432,558,066.72/547,632.40
  6. Step 6: Final answer
    x = 252,783.73

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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.