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Finding the Fourth Proportional to 694,627.16, 957,666.58 and 500,872.73

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Solution

The fourth proportional to 694,627.16, 957,666.58 and 500,872.73 is: 690,541.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    694,627.16 : 957,666.58 = 500,872.73 : x
  2. Step 2: Convert to fraction form
    694,627.16/957,666.58 = 500,872.73/x
  3. Step 3: Cross multiply
    694,627.16x = 957,666.58 × 500,872.73
  4. Step 4: Simplify right side
    694,627.16x = 479,669,068,313.85
  5. Step 5: Solve for x
    x = 479,669,068,313.85/694,627.16
  6. Step 6: Final answer
    x = 690,541.77

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Double scale
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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.