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Finding the Fourth Proportional to 372,300.36, 558,284.46 and 105,998.58

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Solution

The fourth proportional to 372,300.36, 558,284.46 and 105,998.58 is: 158,950.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,300.36 : 558,284.46 = 105,998.58 : x
  2. Step 2: Convert to fraction form
    372,300.36/558,284.46 = 105,998.58/x
  3. Step 3: Cross multiply
    372,300.36x = 558,284.46 × 105,998.58
  4. Step 4: Simplify right side
    372,300.36x = 59,177,359,996.07
  5. Step 5: Solve for x
    x = 59,177,359,996.07/372,300.36
  6. Step 6: Final answer
    x = 158,950.58

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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.