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Finding the Fourth Proportional to 367,598,678.70, 551,398,018.05 and 367,598,678.70

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Solution

The fourth proportional to 367,598,678.70, 551,398,018.05 and 367,598,678.70 is: 551,398,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,598,678.70 : 551,398,018.05 = 367,598,678.70 : x
  2. Step 2: Convert to fraction form
    367,598,678.70/551,398,018.05 = 367,598,678.70/x
  3. Step 3: Cross multiply
    367,598,678.70x = 551,398,018.05 × 367,598,678.70
  4. Step 4: Simplify right side
    367,598,678.70x = 202,693,182,872,978,720
  5. Step 5: Solve for x
    x = 202,693,182,872,978,720/367,598,678.70
  6. Step 6: Final answer
    x = 551,398,018.05

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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.