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Finding the Fourth Proportional to 560,851.52, 774,063.96 and 356,689.60

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Solution

The fourth proportional to 560,851.52, 774,063.96 and 356,689.60 is: 492,288.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,851.52 : 774,063.96 = 356,689.60 : x
  2. Step 2: Convert to fraction form
    560,851.52/774,063.96 = 356,689.60/x
  3. Step 3: Cross multiply
    560,851.52x = 774,063.96 × 356,689.60
  4. Step 4: Simplify right side
    560,851.52x = 276,100,564,266.82
  5. Step 5: Solve for x
    x = 276,100,564,266.82/560,851.52
  6. Step 6: Final answer
    x = 492,288.16

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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.