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Finding the Fourth Proportional to 527,637.24, 791,478 and 153,660.24

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Solution

The fourth proportional to 527,637.24, 791,478 and 153,660.24 is: 230,496.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,637.24 : 791,478 = 153,660.24 : x
  2. Step 2: Convert to fraction form
    527,637.24/791,478 = 153,660.24/x
  3. Step 3: Cross multiply
    527,637.24x = 791,478 × 153,660.24
  4. Step 4: Simplify right side
    527,637.24x = 121,618,699,434.72
  5. Step 5: Solve for x
    x = 121,618,699,434.72/527,637.24
  6. Step 6: Final answer
    x = 230,496.81

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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.