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Finding the Fourth Proportional to 319,192.66, 440,485.77 and 175,955.10

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Solution

The fourth proportional to 319,192.66, 440,485.77 and 175,955.10 is: 242,817.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,192.66 : 440,485.77 = 175,955.10 : x
  2. Step 2: Convert to fraction form
    319,192.66/440,485.77 = 175,955.10/x
  3. Step 3: Cross multiply
    319,192.66x = 440,485.77 × 175,955.10
  4. Step 4: Simplify right side
    319,192.66x = 77,505,717,708.93
  5. Step 5: Solve for x
    x = 77,505,717,708.93/319,192.66
  6. Step 6: Final answer
    x = 242,817.98

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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.