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Finding the Fourth Proportional to 1,068,573, 1,474,630.74 and 615,893.16

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Solution

The fourth proportional to 1,068,573, 1,474,630.74 and 615,893.16 is: 849,932.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,573 : 1,474,630.74 = 615,893.16 : x
  2. Step 2: Convert to fraction form
    1,068,573/1,474,630.74 = 615,893.16/x
  3. Step 3: Cross multiply
    1,068,573x = 1,474,630.74 × 615,893.16
  4. Step 4: Simplify right side
    1,068,573x = 908,214,986,291.74
  5. Step 5: Solve for x
    x = 908,214,986,291.74/1,068,573
  6. Step 6: Final answer
    x = 849,932.56

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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.