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Finding the Fourth Proportional to 865,562.34, 1,194,809.39 and 774,758.10

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Solution

The fourth proportional to 865,562.34, 1,194,809.39 and 774,758.10 is: 1,069,464.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,562.34 : 1,194,809.39 = 774,758.10 : x
  2. Step 2: Convert to fraction form
    865,562.34/1,194,809.39 = 774,758.10/x
  3. Step 3: Cross multiply
    865,562.34x = 1,194,809.39 × 774,758.10
  4. Step 4: Simplify right side
    865,562.34x = 925,688,248,984.77
  5. Step 5: Solve for x
    x = 925,688,248,984.77/865,562.34
  6. Step 6: Final answer
    x = 1,069,464.56

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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.