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Finding the Fourth Proportional to 447,039.34, 616,895.52 and 253,460.08

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Solution

The fourth proportional to 447,039.34, 616,895.52 and 253,460.08 is: 349,764.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,039.34 : 616,895.52 = 253,460.08 : x
  2. Step 2: Convert to fraction form
    447,039.34/616,895.52 = 253,460.08/x
  3. Step 3: Cross multiply
    447,039.34x = 616,895.52 × 253,460.08
  4. Step 4: Simplify right side
    447,039.34x = 156,358,387,850.84
  5. Step 5: Solve for x
    x = 156,358,387,850.84/447,039.34
  6. Step 6: Final answer
    x = 349,764.27

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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.