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Finding the Fourth Proportional to 560,844.52, 774,054.30 and 356,682.58

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Solution

The fourth proportional to 560,844.52, 774,054.30 and 356,682.58 is: 492,278.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,844.52 : 774,054.30 = 356,682.58 : x
  2. Step 2: Convert to fraction form
    560,844.52/774,054.30 = 356,682.58/x
  3. Step 3: Cross multiply
    560,844.52x = 774,054.30 × 356,682.58
  4. Step 4: Simplify right side
    560,844.52x = 276,091,684,784.09
  5. Step 5: Solve for x
    x = 276,091,684,784.09/560,844.52
  6. Step 6: Final answer
    x = 492,278.47

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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.