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Finding the Fourth Proportional to 447,442.04, 617,472.64 and 243,494.58

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Solution

The fourth proportional to 447,442.04, 617,472.64 and 243,494.58 is: 336,023.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,442.04 : 617,472.64 = 243,494.58 : x
  2. Step 2: Convert to fraction form
    447,442.04/617,472.64 = 243,494.58/x
  3. Step 3: Cross multiply
    447,442.04x = 617,472.64 × 243,494.58
  4. Step 4: Simplify right side
    447,442.04x = 150,351,241,138.29
  5. Step 5: Solve for x
    x = 150,351,241,138.29/447,442.04
  6. Step 6: Final answer
    x = 336,023.95

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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.