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Finding the Fourth Proportional to 282,567.52, 389,952.48 and 155,252.32

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Solution

The fourth proportional to 282,567.52, 389,952.48 and 155,252.32 is: 214,253.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,567.52 : 389,952.48 = 155,252.32 : x
  2. Step 2: Convert to fraction form
    282,567.52/389,952.48 = 155,252.32/x
  3. Step 3: Cross multiply
    282,567.52x = 389,952.48 × 155,252.32
  4. Step 4: Simplify right side
    282,567.52x = 60,541,027,209.75
  5. Step 5: Solve for x
    x = 60,541,027,209.75/282,567.52
  6. Step 6: Final answer
    x = 214,253.31

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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.