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Finding the Fourth Proportional to 356,683,516.60, 535,025,274.90 and 162,973,272.10

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Solution

The fourth proportional to 356,683,516.60, 535,025,274.90 and 162,973,272.10 is: 244,459,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,683,516.60 : 535,025,274.90 = 162,973,272.10 : x
  2. Step 2: Convert to fraction form
    356,683,516.60/535,025,274.90 = 162,973,272.10/x
  3. Step 3: Cross multiply
    356,683,516.60x = 535,025,274.90 × 162,973,272.10
  4. Step 4: Simplify right side
    356,683,516.60x = 87,194,819,706,654,992
  5. Step 5: Solve for x
    x = 87,194,819,706,654,992/356,683,516.60
  6. Step 6: Final answer
    x = 244,459,908.15

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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.