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Finding the Fourth Proportional to 319,005.64, 440,228.64 and 175,765.24

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Solution

The fourth proportional to 319,005.64, 440,228.64 and 175,765.24 is: 242,556.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,005.64 : 440,228.64 = 175,765.24 : x
  2. Step 2: Convert to fraction form
    319,005.64/440,228.64 = 175,765.24/x
  3. Step 3: Cross multiply
    319,005.64x = 440,228.64 × 175,765.24
  4. Step 4: Simplify right side
    319,005.64x = 77,376,892,564.47
  5. Step 5: Solve for x
    x = 77,376,892,564.47/319,005.64
  6. Step 6: Final answer
    x = 242,556.50

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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.