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Finding the Fourth Proportional to 356,683,523.60, 535,025,285.40 and 162,973,279.10

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Solution

The fourth proportional to 356,683,523.60, 535,025,285.40 and 162,973,279.10 is: 244,459,918.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,683,523.60 : 535,025,285.40 = 162,973,279.10 : x
  2. Step 2: Convert to fraction form
    356,683,523.60/535,025,285.40 = 162,973,279.10/x
  3. Step 3: Cross multiply
    356,683,523.60x = 535,025,285.40 × 162,973,279.10
  4. Step 4: Simplify right side
    356,683,523.60x = 87,194,825,163,051,344
  5. Step 5: Solve for x
    x = 87,194,825,163,051,344/356,683,523.60
  6. Step 6: Final answer
    x = 244,459,918.65

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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.