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Finding the Fourth Proportional to 547,325.16, 821,066.10 and 168,277.72

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Solution

The fourth proportional to 547,325.16, 821,066.10 and 168,277.72 is: 252,440.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,325.16 : 821,066.10 = 168,277.72 : x
  2. Step 2: Convert to fraction form
    547,325.16/821,066.10 = 168,277.72/x
  3. Step 3: Cross multiply
    547,325.16x = 821,066.10 × 168,277.72
  4. Step 4: Simplify right side
    547,325.16x = 138,167,131,277.29
  5. Step 5: Solve for x
    x = 138,167,131,277.29/547,325.16
  6. Step 6: Final answer
    x = 252,440.67

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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.