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Finding the Fourth Proportional to 336,887,576.30, 505,331,364.45 and 155,489,048.30

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Solution

The fourth proportional to 336,887,576.30, 505,331,364.45 and 155,489,048.30 is: 233,233,572.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,887,576.30 : 505,331,364.45 = 155,489,048.30 : x
  2. Step 2: Convert to fraction form
    336,887,576.30/505,331,364.45 = 155,489,048.30/x
  3. Step 3: Cross multiply
    336,887,576.30x = 505,331,364.45 × 155,489,048.30
  4. Step 4: Simplify right side
    336,887,576.30x = 78,573,492,934,470,960
  5. Step 5: Solve for x
    x = 78,573,492,934,470,960/336,887,576.30
  6. Step 6: Final answer
    x = 233,233,572.45

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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.