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Finding the Fourth Proportional to 282,323.87, 389,435.73 and 167,526.85

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Solution

The fourth proportional to 282,323.87, 389,435.73 and 167,526.85 is: 231,085.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,323.87 : 389,435.73 = 167,526.85 : x
  2. Step 2: Convert to fraction form
    282,323.87/389,435.73 = 167,526.85/x
  3. Step 3: Cross multiply
    282,323.87x = 389,435.73 × 167,526.85
  4. Step 4: Simplify right side
    282,323.87x = 65,240,941,124.35
  5. Step 5: Solve for x
    x = 65,240,941,124.35/282,323.87
  6. Step 6: Final answer
    x = 231,085.46

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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.