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Finding the Fourth Proportional to 525,058.80, 787,588.20 and 151,081.80

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Solution

The fourth proportional to 525,058.80, 787,588.20 and 151,081.80 is: 226,622.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,058.80 : 787,588.20 = 151,081.80 : x
  2. Step 2: Convert to fraction form
    525,058.80/787,588.20 = 151,081.80/x
  3. Step 3: Cross multiply
    525,058.80x = 787,588.20 × 151,081.80
  4. Step 4: Simplify right side
    525,058.80x = 118,990,242,914.76
  5. Step 5: Solve for x
    x = 118,990,242,914.76/525,058.80
  6. Step 6: Final answer
    x = 226,622.70

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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.