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Finding the Fourth Proportional to 465,776.64, 698,664.96 and 309,006.72

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Solution

The fourth proportional to 465,776.64, 698,664.96 and 309,006.72 is: 463,510.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,776.64 : 698,664.96 = 309,006.72 : x
  2. Step 2: Convert to fraction form
    465,776.64/698,664.96 = 309,006.72/x
  3. Step 3: Cross multiply
    465,776.64x = 698,664.96 × 309,006.72
  4. Step 4: Simplify right side
    465,776.64x = 215,892,167,668.53
  5. Step 5: Solve for x
    x = 215,892,167,668.53/465,776.64
  6. Step 6: Final answer
    x = 463,510.08

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Similar ratio
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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.