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Finding the Fourth Proportional to 319,284.51, 440,632.47 and 176,044.33

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Solution

The fourth proportional to 319,284.51, 440,632.47 and 176,044.33 is: 242,952.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,284.51 : 440,632.47 = 176,044.33 : x
  2. Step 2: Convert to fraction form
    319,284.51/440,632.47 = 176,044.33/x
  3. Step 3: Cross multiply
    319,284.51x = 440,632.47 × 176,044.33
  4. Step 4: Simplify right side
    319,284.51x = 77,570,847,957.40
  5. Step 5: Solve for x
    x = 77,570,847,957.40/319,284.51
  6. Step 6: Final answer
    x = 242,952.12

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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.