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Finding the Fourth Proportional to 465,360.54, 697,957.65 and 123,805.81

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Solution

The fourth proportional to 465,360.54, 697,957.65 and 123,805.81 is: 185,686.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,360.54 : 697,957.65 = 123,805.81 : x
  2. Step 2: Convert to fraction form
    465,360.54/697,957.65 = 123,805.81/x
  3. Step 3: Cross multiply
    465,360.54x = 697,957.65 × 123,805.81
  4. Step 4: Simplify right side
    465,360.54x = 86,411,213,076.39
  5. Step 5: Solve for x
    x = 86,411,213,076.39/465,360.54
  6. Step 6: Final answer
    x = 185,686.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.