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Finding the Fourth Proportional to 631,407.99, 947,485.65 and 232,329.01

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Solution

The fourth proportional to 631,407.99, 947,485.65 and 232,329.01 is: 348,631.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,407.99 : 947,485.65 = 232,329.01 : x
  2. Step 2: Convert to fraction form
    631,407.99/947,485.65 = 232,329.01/x
  3. Step 3: Cross multiply
    631,407.99x = 947,485.65 × 232,329.01
  4. Step 4: Simplify right side
    631,407.99x = 220,128,403,053.71
  5. Step 5: Solve for x
    x = 220,128,403,053.71/631,407.99
  6. Step 6: Final answer
    x = 348,631.01

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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.