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Finding the Fourth Proportional to 631,408.99, 947,487.15 and 232,330.01

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Solution

The fourth proportional to 631,408.99, 947,487.15 and 232,330.01 is: 348,632.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,408.99 : 947,487.15 = 232,330.01 : x
  2. Step 2: Convert to fraction form
    631,408.99/947,487.15 = 232,330.01/x
  3. Step 3: Cross multiply
    631,408.99x = 947,487.15 × 232,330.01
  4. Step 4: Simplify right side
    631,408.99x = 220,129,699,034.37
  5. Step 5: Solve for x
    x = 220,129,699,034.37/631,408.99
  6. Step 6: Final answer
    x = 348,632.51

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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.