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Finding the Fourth Proportional to 447,452.40, 617,484.12 and 246,248.40

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Solution

The fourth proportional to 447,452.40, 617,484.12 and 246,248.40 is: 339,822.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,452.40 : 617,484.12 = 246,248.40 : x
  2. Step 2: Convert to fraction form
    447,452.40/617,484.12 = 246,248.40/x
  3. Step 3: Cross multiply
    447,452.40x = 617,484.12 × 246,248.40
  4. Step 4: Simplify right side
    447,452.40x = 152,054,476,575.41
  5. Step 5: Solve for x
    x = 152,054,476,575.41/447,452.40
  6. Step 6: Final answer
    x = 339,822.69

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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.