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Finding the Fourth Proportional to 346,957.94, 478,655.31 and 232,273.52

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Solution

The fourth proportional to 346,957.94, 478,655.31 and 232,273.52 is: 320,439.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,957.94 : 478,655.31 = 232,273.52 : x
  2. Step 2: Convert to fraction form
    346,957.94/478,655.31 = 232,273.52/x
  3. Step 3: Cross multiply
    346,957.94x = 478,655.31 × 232,273.52
  4. Step 4: Simplify right side
    346,957.94x = 111,178,953,720.39
  5. Step 5: Solve for x
    x = 111,178,953,720.39/346,957.94
  6. Step 6: Final answer
    x = 320,439.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.