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Finding the Fourth Proportional to 884,410.80, 1,323,554.40 and 529,679.40

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Solution

The fourth proportional to 884,410.80, 1,323,554.40 and 529,679.40 is: 792,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,410.80 : 1,323,554.40 = 529,679.40 : x
  2. Step 2: Convert to fraction form
    884,410.80/1,323,554.40 = 529,679.40/x
  3. Step 3: Cross multiply
    884,410.80x = 1,323,554.40 × 529,679.40
  4. Step 4: Simplify right side
    884,410.80x = 701,059,500,459.36
  5. Step 5: Solve for x
    x = 701,059,500,459.36/884,410.80
  6. Step 6: Final answer
    x = 792,685.37

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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.