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Finding the Fourth Proportional to 319,196.64, 440,486.60 and 175,953.61

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Solution

The fourth proportional to 319,196.64, 440,486.60 and 175,953.61 is: 242,813.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,196.64 : 440,486.60 = 175,953.61 : x
  2. Step 2: Convert to fraction form
    319,196.64/440,486.60 = 175,953.61/x
  3. Step 3: Cross multiply
    319,196.64x = 440,486.60 × 175,953.61
  4. Step 4: Simplify right side
    319,196.64x = 77,505,207,426.63
  5. Step 5: Solve for x
    x = 77,505,207,426.63/319,196.64
  6. Step 6: Final answer
    x = 242,813.36

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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.