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Finding the Fourth Proportional to 423,957.48, 585,054.72 and 232,966.80

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Solution

The fourth proportional to 423,957.48, 585,054.72 and 232,966.80 is: 321,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,957.48 : 585,054.72 = 232,966.80 : x
  2. Step 2: Convert to fraction form
    423,957.48/585,054.72 = 232,966.80/x
  3. Step 3: Cross multiply
    423,957.48x = 585,054.72 × 232,966.80
  4. Step 4: Simplify right side
    423,957.48x = 136,298,325,943.30
  5. Step 5: Solve for x
    x = 136,298,325,943.30/423,957.48
  6. Step 6: Final answer
    x = 321,490.56

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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.