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Finding the Fourth Proportional to 500,725.40, 751,118.63 and 163,801.62

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Solution

The fourth proportional to 500,725.40, 751,118.63 and 163,801.62 is: 245,712.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,725.40 : 751,118.63 = 163,801.62 : x
  2. Step 2: Convert to fraction form
    500,725.40/751,118.63 = 163,801.62/x
  3. Step 3: Cross multiply
    500,725.40x = 751,118.63 × 163,801.62
  4. Step 4: Simplify right side
    500,725.40x = 123,034,447,587.17
  5. Step 5: Solve for x
    x = 123,034,447,587.17/500,725.40
  6. Step 6: Final answer
    x = 245,712.42

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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.