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Finding the Fourth Proportional to 374,602.50, 561,904.29 and 152,986.50

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Solution

The fourth proportional to 374,602.50, 561,904.29 and 152,986.50 is: 229,479.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,602.50 : 561,904.29 = 152,986.50 : x
  2. Step 2: Convert to fraction form
    374,602.50/561,904.29 = 152,986.50/x
  3. Step 3: Cross multiply
    374,602.50x = 561,904.29 × 152,986.50
  4. Step 4: Simplify right side
    374,602.50x = 85,963,770,662.09
  5. Step 5: Solve for x
    x = 85,963,770,662.09/374,602.50
  6. Step 6: Final answer
    x = 229,479.97

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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.