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Finding the Fourth Proportional to 615,992.84, 850,044.72 and 344,059.46

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Solution

The fourth proportional to 615,992.84, 850,044.72 and 344,059.46 is: 474,787.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,992.84 : 850,044.72 = 344,059.46 : x
  2. Step 2: Convert to fraction form
    615,992.84/850,044.72 = 344,059.46/x
  3. Step 3: Cross multiply
    615,992.84x = 850,044.72 × 344,059.46
  4. Step 4: Simplify right side
    615,992.84x = 292,465,927,339.05
  5. Step 5: Solve for x
    x = 292,465,927,339.05/615,992.84
  6. Step 6: Final answer
    x = 474,787.87

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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.