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Finding the Fourth Proportional to 447,050.88, 616,946.44 and 256,101.17

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Solution

The fourth proportional to 447,050.88, 616,946.44 and 256,101.17 is: 353,428.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,050.88 : 616,946.44 = 256,101.17 : x
  2. Step 2: Convert to fraction form
    447,050.88/616,946.44 = 256,101.17/x
  3. Step 3: Cross multiply
    447,050.88x = 616,946.44 × 256,101.17
  4. Step 4: Simplify right side
    447,050.88x = 158,000,706,425.39
  5. Step 5: Solve for x
    x = 158,000,706,425.39/447,050.88
  6. Step 6: Final answer
    x = 353,428.91

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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.