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Finding the Fourth Proportional to 546,358.91, 819,341.46 and 230,840.42

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Solution

The fourth proportional to 546,358.91, 819,341.46 and 230,840.42 is: 346,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,358.91 : 819,341.46 = 230,840.42 : x
  2. Step 2: Convert to fraction form
    546,358.91/819,341.46 = 230,840.42/x
  3. Step 3: Cross multiply
    546,358.91x = 819,341.46 × 230,840.42
  4. Step 4: Simplify right side
    546,358.91x = 189,137,122,653.11
  5. Step 5: Solve for x
    x = 189,137,122,653.11/546,358.91
  6. Step 6: Final answer
    x = 346,177.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.