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Finding the Fourth Proportional to 531,525, 797,661.09 and 480,705.93

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Solution

The fourth proportional to 531,525, 797,661.09 and 480,705.93 is: 721,396.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,525 : 797,661.09 = 480,705.93 : x
  2. Step 2: Convert to fraction form
    531,525/797,661.09 = 480,705.93/x
  3. Step 3: Cross multiply
    531,525x = 797,661.09 × 480,705.93
  4. Step 4: Simplify right side
    531,525x = 383,440,416,093.26
  5. Step 5: Solve for x
    x = 383,440,416,093.26/531,525
  6. Step 6: Final answer
    x = 721,396.77

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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.