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Finding the Fourth Proportional to 978,113.76, 1,467,593.04 and 529,150.92

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Solution

The fourth proportional to 978,113.76, 1,467,593.04 and 529,150.92 is: 793,954.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    978,113.76 : 1,467,593.04 = 529,150.92 : x
  2. Step 2: Convert to fraction form
    978,113.76/1,467,593.04 = 529,150.92/x
  3. Step 3: Cross multiply
    978,113.76x = 1,467,593.04 × 529,150.92
  4. Step 4: Simplify right side
    978,113.76x = 776,578,207,301.60
  5. Step 5: Solve for x
    x = 776,578,207,301.60/978,113.76
  6. Step 6: Final answer
    x = 793,954.89

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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.