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Finding the Fourth Proportional to 468,703.65, 703,091.93 and 153,192.45

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Solution

The fourth proportional to 468,703.65, 703,091.93 and 153,192.45 is: 229,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,703.65 : 703,091.93 = 153,192.45 : x
  2. Step 2: Convert to fraction form
    468,703.65/703,091.93 = 153,192.45/x
  3. Step 3: Cross multiply
    468,703.65x = 703,091.93 × 153,192.45
  4. Step 4: Simplify right side
    468,703.65x = 107,708,374,109.38
  5. Step 5: Solve for x
    x = 107,708,374,109.38/468,703.65
  6. Step 6: Final answer
    x = 229,800.59

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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.