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Finding the Fourth Proportional to 560,846.52, 774,057.06 and 356,684.58

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Solution

The fourth proportional to 560,846.52, 774,057.06 and 356,684.58 is: 492,281.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,846.52 : 774,057.06 = 356,684.58 : x
  2. Step 2: Convert to fraction form
    560,846.52/774,057.06 = 356,684.58/x
  3. Step 3: Cross multiply
    560,846.52x = 774,057.06 × 356,684.58
  4. Step 4: Simplify right side
    560,846.52x = 276,094,217,342.14
  5. Step 5: Solve for x
    x = 276,094,217,342.14/560,846.52
  6. Step 6: Final answer
    x = 492,281.23

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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.