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Finding the Fourth Proportional to 319,484.73, 440,886.47 and 176,250.81

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Solution

The fourth proportional to 319,484.73, 440,886.47 and 176,250.81 is: 243,224.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,484.73 : 440,886.47 = 176,250.81 : x
  2. Step 2: Convert to fraction form
    319,484.73/440,886.47 = 176,250.81/x
  3. Step 3: Cross multiply
    319,484.73x = 440,886.47 × 176,250.81
  4. Step 4: Simplify right side
    319,484.73x = 77,706,596,574.29
  5. Step 5: Solve for x
    x = 77,706,596,574.29/319,484.73
  6. Step 6: Final answer
    x = 243,224.76

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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.