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Finding the Fourth Proportional to 611,462.36, 913,076.07 and 499,365.11

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Solution

The fourth proportional to 611,462.36, 913,076.07 and 499,365.11 is: 745,685.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,462.36 : 913,076.07 = 499,365.11 : x
  2. Step 2: Convert to fraction form
    611,462.36/913,076.07 = 499,365.11/x
  3. Step 3: Cross multiply
    611,462.36x = 913,076.07 × 499,365.11
  4. Step 4: Simplify right side
    611,462.36x = 455,958,332,133.92
  5. Step 5: Solve for x
    x = 455,958,332,133.92/611,462.36
  6. Step 6: Final answer
    x = 745,685.04

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.