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Finding the Fourth Proportional to 527,603.26, 791,643.64 and 207,667.03

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Solution

The fourth proportional to 527,603.26, 791,643.64 and 207,667.03 is: 311,594.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,603.26 : 791,643.64 = 207,667.03 : x
  2. Step 2: Convert to fraction form
    527,603.26/791,643.64 = 207,667.03/x
  3. Step 3: Cross multiply
    527,603.26x = 791,643.64 × 207,667.03
  4. Step 4: Simplify right side
    527,603.26x = 164,398,284,786.33
  5. Step 5: Solve for x
    x = 164,398,284,786.33/527,603.26
  6. Step 6: Final answer
    x = 311,594.52

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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.