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Finding the Fourth Proportional to 610,501.04, 842,491.43 and 338,610.56

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Solution

The fourth proportional to 610,501.04, 842,491.43 and 338,610.56 is: 467,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,501.04 : 842,491.43 = 338,610.56 : x
  2. Step 2: Convert to fraction form
    610,501.04/842,491.43 = 338,610.56/x
  3. Step 3: Cross multiply
    610,501.04x = 842,491.43 × 338,610.56
  4. Step 4: Simplify right side
    610,501.04x = 285,276,489,001.99
  5. Step 5: Solve for x
    x = 285,276,489,001.99/610,501.04
  6. Step 6: Final answer
    x = 467,282.56

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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.