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Finding the Fourth Proportional to 281,150.01, 421,466.29 and 152,878.89

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Solution

The fourth proportional to 281,150.01, 421,466.29 and 152,878.89 is: 229,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,150.01 : 421,466.29 = 152,878.89 : x
  2. Step 2: Convert to fraction form
    281,150.01/421,466.29 = 152,878.89/x
  3. Step 3: Cross multiply
    281,150.01x = 421,466.29 × 152,878.89
  4. Step 4: Simplify right side
    281,150.01x = 64,433,299,785.92
  5. Step 5: Solve for x
    x = 64,433,299,785.92/281,150.01
  6. Step 6: Final answer
    x = 229,177.65

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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.