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Finding the Fourth Proportional to 384,291.98, 526,477.56 and 369,921.27

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Solution

The fourth proportional to 384,291.98, 526,477.56 and 369,921.27 is: 506,789.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,291.98 : 526,477.56 = 369,921.27 : x
  2. Step 2: Convert to fraction form
    384,291.98/526,477.56 = 369,921.27/x
  3. Step 3: Cross multiply
    384,291.98x = 526,477.56 × 369,921.27
  4. Step 4: Simplify right side
    384,291.98x = 194,755,247,621.70
  5. Step 5: Solve for x
    x = 194,755,247,621.70/384,291.98
  6. Step 6: Final answer
    x = 506,789.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.