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Finding the Fourth Proportional to 610,544.35, 842,579.33 and 338,596.05

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Solution

The fourth proportional to 610,544.35, 842,579.33 and 338,596.05 is: 467,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,544.35 : 842,579.33 = 338,596.05 : x
  2. Step 2: Convert to fraction form
    610,544.35/842,579.33 = 338,596.05/x
  3. Step 3: Cross multiply
    610,544.35x = 842,579.33 × 338,596.05
  4. Step 4: Simplify right side
    610,544.35x = 285,294,031,581.43
  5. Step 5: Solve for x
    x = 285,294,031,581.43/610,544.35
  6. Step 6: Final answer
    x = 467,278.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.