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Finding the Fourth Proportional to 319,090.73, 440,343.01 and 175,850.89

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Solution

The fourth proportional to 319,090.73, 440,343.01 and 175,850.89 is: 242,673.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,090.73 : 440,343.01 = 175,850.89 : x
  2. Step 2: Convert to fraction form
    319,090.73/440,343.01 = 175,850.89/x
  3. Step 3: Cross multiply
    319,090.73x = 440,343.01 × 175,850.89
  4. Step 4: Simplify right side
    319,090.73x = 77,434,708,673.29
  5. Step 5: Solve for x
    x = 77,434,708,673.29/319,090.73
  6. Step 6: Final answer
    x = 242,673.01

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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.