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Finding the Fourth Proportional to 282,347.99, 423,533.52 and 71,991.39

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Solution

The fourth proportional to 282,347.99, 423,533.52 and 71,991.39 is: 107,990.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,347.99 : 423,533.52 = 71,991.39 : x
  2. Step 2: Convert to fraction form
    282,347.99/423,533.52 = 71,991.39/x
  3. Step 3: Cross multiply
    282,347.99x = 423,533.52 × 71,991.39
  4. Step 4: Simplify right side
    282,347.99x = 30,490,766,816.39
  5. Step 5: Solve for x
    x = 30,490,766,816.39/282,347.99
  6. Step 6: Final answer
    x = 107,990.03

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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.