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Finding the Fourth Proportional to 491,221.00, 736,831.47 and 136,235.00

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Solution

The fourth proportional to 491,221.00, 736,831.47 and 136,235.00 is: 204,352.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,221.00 : 736,831.47 = 136,235.00 : x
  2. Step 2: Convert to fraction form
    491,221.00/736,831.47 = 136,235.00/x
  3. Step 3: Cross multiply
    491,221.00x = 736,831.47 × 136,235.00
  4. Step 4: Simplify right side
    491,221.00x = 100,382,237,157.53
  5. Step 5: Solve for x
    x = 100,382,237,157.53/491,221.00
  6. Step 6: Final answer
    x = 204,352.50

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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.