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Finding the Fourth Proportional to 372,266,398.02, 558,483,327.54 and 113,507,775.12

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Solution

The fourth proportional to 372,266,398.02, 558,483,327.54 and 113,507,775.12 is: 170,287,192.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,266,398.02 : 558,483,327.54 = 113,507,775.12 : x
  2. Step 2: Convert to fraction form
    372,266,398.02/558,483,327.54 = 113,507,775.12/x
  3. Step 3: Cross multiply
    372,266,398.02x = 558,483,327.54 × 113,507,775.12
  4. Step 4: Simplify right side
    372,266,398.02x = 63,392,199,950,679,624
  5. Step 5: Solve for x
    x = 63,392,199,950,679,624/372,266,398.02
  6. Step 6: Final answer
    x = 170,287,192.96

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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.