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Finding the Fourth Proportional to 566,712.81, 782,035.61 and 312,016.41

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Solution

The fourth proportional to 566,712.81, 782,035.61 and 312,016.41 is: 430,567.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,712.81 : 782,035.61 = 312,016.41 : x
  2. Step 2: Convert to fraction form
    566,712.81/782,035.61 = 312,016.41/x
  3. Step 3: Cross multiply
    566,712.81x = 782,035.61 × 312,016.41
  4. Step 4: Simplify right side
    566,712.81x = 244,007,943,524.36
  5. Step 5: Solve for x
    x = 244,007,943,524.36/566,712.81
  6. Step 6: Final answer
    x = 430,567.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.