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Finding the Fourth Proportional to 255,705.16, 384,398.59 and 237,208.49

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Solution

The fourth proportional to 255,705.16, 384,398.59 and 237,208.49 is: 356,592.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,705.16 : 384,398.59 = 237,208.49 : x
  2. Step 2: Convert to fraction form
    255,705.16/384,398.59 = 237,208.49/x
  3. Step 3: Cross multiply
    255,705.16x = 384,398.59 × 237,208.49
  4. Step 4: Simplify right side
    255,705.16x = 91,182,609,460.00
  5. Step 5: Solve for x
    x = 91,182,609,460.00/255,705.16
  6. Step 6: Final answer
    x = 356,592.77

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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.