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Finding the Fourth Proportional to 566,901.79, 782,324.40 and 312,252.97

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Solution

The fourth proportional to 566,901.79, 782,324.40 and 312,252.97 is: 430,909.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,901.79 : 782,324.40 = 312,252.97 : x
  2. Step 2: Convert to fraction form
    566,901.79/782,324.40 = 312,252.97/x
  3. Step 3: Cross multiply
    566,901.79x = 782,324.40 × 312,252.97
  4. Step 4: Simplify right side
    566,901.79x = 244,283,117,403.47
  5. Step 5: Solve for x
    x = 244,283,117,403.47/566,901.79
  6. Step 6: Final answer
    x = 430,909.06

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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.