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Finding the Fourth Proportional to 447,459.72, 617,495.64 and 246,255.72

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Solution

The fourth proportional to 447,459.72, 617,495.64 and 246,255.72 is: 339,833.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,459.72 : 617,495.64 = 246,255.72 : x
  2. Step 2: Convert to fraction form
    447,459.72/617,495.64 = 246,255.72/x
  3. Step 3: Cross multiply
    447,459.72x = 617,495.64 × 246,255.72
  4. Step 4: Simplify right side
    447,459.72x = 152,061,833,425.06
  5. Step 5: Solve for x
    x = 152,061,833,425.06/447,459.72
  6. Step 6: Final answer
    x = 339,833.57

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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.