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Finding the Fourth Proportional to 605,606.40, 908,081.55 and 250,656.30

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Solution

The fourth proportional to 605,606.40, 908,081.55 and 250,656.30 is: 375,848.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,606.40 : 908,081.55 = 250,656.30 : x
  2. Step 2: Convert to fraction form
    605,606.40/908,081.55 = 250,656.30/x
  3. Step 3: Cross multiply
    605,606.40x = 908,081.55 × 250,656.30
  4. Step 4: Simplify right side
    605,606.40x = 227,616,361,421.27
  5. Step 5: Solve for x
    x = 227,616,361,421.27/605,606.40
  6. Step 6: Final answer
    x = 375,848.67

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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.