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Finding the Fourth Proportional to 601,647.40, 830,053.74 and 359,936.92

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Solution

The fourth proportional to 601,647.40, 830,053.74 and 359,936.92 is: 496,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,647.40 : 830,053.74 = 359,936.92 : x
  2. Step 2: Convert to fraction form
    601,647.40/830,053.74 = 359,936.92/x
  3. Step 3: Cross multiply
    601,647.40x = 830,053.74 × 359,936.92
  4. Step 4: Simplify right side
    601,647.40x = 298,766,986,610.08
  5. Step 5: Solve for x
    x = 298,766,986,610.08/601,647.40
  6. Step 6: Final answer
    x = 496,581.53

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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.