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Finding the Fourth Proportional to 304,802.48, 420,610.77 and 168,825.75

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Solution

The fourth proportional to 304,802.48, 420,610.77 and 168,825.75 is: 232,970.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,802.48 : 420,610.77 = 168,825.75 : x
  2. Step 2: Convert to fraction form
    304,802.48/420,610.77 = 168,825.75/x
  3. Step 3: Cross multiply
    304,802.48x = 420,610.77 × 168,825.75
  4. Step 4: Simplify right side
    304,802.48x = 71,009,928,703.33
  5. Step 5: Solve for x
    x = 71,009,928,703.33/304,802.48
  6. Step 6: Final answer
    x = 232,970.32

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1.5x scale

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.