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Finding the Fourth Proportional to 601,983.58, 830,620.36 and 356,923.07

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Solution

The fourth proportional to 601,983.58, 830,620.36 and 356,923.07 is: 492,484.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,983.58 : 830,620.36 = 356,923.07 : x
  2. Step 2: Convert to fraction form
    601,983.58/830,620.36 = 356,923.07/x
  3. Step 3: Cross multiply
    601,983.58x = 830,620.36 × 356,923.07
  4. Step 4: Simplify right side
    601,983.58x = 296,467,568,895.71
  5. Step 5: Solve for x
    x = 296,467,568,895.71/601,983.58
  6. Step 6: Final answer
    x = 492,484.48

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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.