Home / 305,456.04-457,575.12-238,583.16

Finding the Fourth Proportional to 305,456.04, 457,575.12 and 238,583.16

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Solution

The fourth proportional to 305,456.04, 457,575.12 and 238,583.16 is: 357,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,456.04 : 457,575.12 = 238,583.16 : x
  2. Step 2: Convert to fraction form
    305,456.04/457,575.12 = 238,583.16/x
  3. Step 3: Cross multiply
    305,456.04x = 457,575.12 × 238,583.16
  4. Step 4: Simplify right side
    305,456.04x = 109,169,718,066.98
  5. Step 5: Solve for x
    x = 109,169,718,066.98/305,456.04
  6. Step 6: Final answer
    x = 357,399.11

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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.