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Finding the Fourth Proportional to 631,406.99, 947,484.15 and 232,328.01

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Solution

The fourth proportional to 631,406.99, 947,484.15 and 232,328.01 is: 348,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,406.99 : 947,484.15 = 232,328.01 : x
  2. Step 2: Convert to fraction form
    631,406.99/947,484.15 = 232,328.01/x
  3. Step 3: Cross multiply
    631,406.99x = 947,484.15 × 232,328.01
  4. Step 4: Simplify right side
    631,406.99x = 220,127,106,087.39
  5. Step 5: Solve for x
    x = 220,127,106,087.39/631,406.99
  6. Step 6: Final answer
    x = 348,629.51

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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.