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Finding the Fourth Proportional to 282,237.36, 389,482.00 and 159,727.47

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Solution

The fourth proportional to 282,237.36, 389,482.00 and 159,727.47 is: 220,420.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,237.36 : 389,482.00 = 159,727.47 : x
  2. Step 2: Convert to fraction form
    282,237.36/389,482.00 = 159,727.47/x
  3. Step 3: Cross multiply
    282,237.36x = 389,482.00 × 159,727.47
  4. Step 4: Simplify right side
    282,237.36x = 62,210,973,671.90
  5. Step 5: Solve for x
    x = 62,210,973,671.90/282,237.36
  6. Step 6: Final answer
    x = 220,420.76

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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.