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Finding the Fourth Proportional to 469,229.69, 647,788.22 and 367,038.01

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Solution

The fourth proportional to 469,229.69, 647,788.22 and 367,038.01 is: 506,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,229.69 : 647,788.22 = 367,038.01 : x
  2. Step 2: Convert to fraction form
    469,229.69/647,788.22 = 367,038.01/x
  3. Step 3: Cross multiply
    469,229.69x = 647,788.22 × 367,038.01
  4. Step 4: Simplify right side
    469,229.69x = 237,762,894,096.11
  5. Step 5: Solve for x
    x = 237,762,894,096.11/469,229.69
  6. Step 6: Final answer
    x = 506,708.97

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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.