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Finding the Fourth Proportional to 611,503.44, 917,300.29 and 162,214.37

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Solution

The fourth proportional to 611,503.44, 917,300.29 and 162,214.37 is: 243,333.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,503.44 : 917,300.29 = 162,214.37 : x
  2. Step 2: Convert to fraction form
    611,503.44/917,300.29 = 162,214.37/x
  3. Step 3: Cross multiply
    611,503.44x = 917,300.29 × 162,214.37
  4. Step 4: Simplify right side
    611,503.44x = 148,799,288,643.17
  5. Step 5: Solve for x
    x = 148,799,288,643.17/611,503.44
  6. Step 6: Final answer
    x = 243,333.53

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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.