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Finding the Fourth Proportional to 560,947.14, 774,108.03 and 306,292.90

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Solution

The fourth proportional to 560,947.14, 774,108.03 and 306,292.90 is: 422,684.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,947.14 : 774,108.03 = 306,292.90 : x
  2. Step 2: Convert to fraction form
    560,947.14/774,108.03 = 306,292.90/x
  3. Step 3: Cross multiply
    560,947.14x = 774,108.03 × 306,292.90
  4. Step 4: Simplify right side
    560,947.14x = 237,103,793,421.99
  5. Step 5: Solve for x
    x = 237,103,793,421.99/560,947.14
  6. Step 6: Final answer
    x = 422,684.74

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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.