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Finding the Fourth Proportional to 605,715.30, 906,604.65 and 605,715.30

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Solution

The fourth proportional to 605,715.30, 906,604.65 and 605,715.30 is: 906,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,715.30 : 906,604.65 = 605,715.30 : x
  2. Step 2: Convert to fraction form
    605,715.30/906,604.65 = 605,715.30/x
  3. Step 3: Cross multiply
    605,715.30x = 906,604.65 × 605,715.30
  4. Step 4: Simplify right side
    605,715.30x = 549,144,307,556.15
  5. Step 5: Solve for x
    x = 549,144,307,556.15/605,715.30
  6. Step 6: Final answer
    x = 906,604.65

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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.