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Finding the Fourth Proportional to 477,876.04, 715,631.46 and 277,588.96

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Solution

The fourth proportional to 477,876.04, 715,631.46 and 277,588.96 is: 415,696.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,876.04 : 715,631.46 = 277,588.96 : x
  2. Step 2: Convert to fraction form
    477,876.04/715,631.46 = 277,588.96/x
  3. Step 3: Cross multiply
    477,876.04x = 715,631.46 × 277,588.96
  4. Step 4: Simplify right side
    477,876.04x = 198,651,392,724.68
  5. Step 5: Solve for x
    x = 198,651,392,724.68/477,876.04
  6. Step 6: Final answer
    x = 415,696.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.