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Finding the Fourth Proportional to 234,486.33, 323,590.32 and 127,056.30

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Solution

The fourth proportional to 234,486.33, 323,590.32 and 127,056.30 is: 175,337.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,486.33 : 323,590.32 = 127,056.30 : x
  2. Step 2: Convert to fraction form
    234,486.33/323,590.32 = 127,056.30/x
  3. Step 3: Cross multiply
    234,486.33x = 323,590.32 × 127,056.30
  4. Step 4: Simplify right side
    234,486.33x = 41,114,188,775.02
  5. Step 5: Solve for x
    x = 41,114,188,775.02/234,486.33
  6. Step 6: Final answer
    x = 175,337.25

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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.