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Finding the Fourth Proportional to 879,575.58, 1,319,757.03 and 505,598.58

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Solution

The fourth proportional to 879,575.58, 1,319,757.03 and 505,598.58 is: 758,624.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,575.58 : 1,319,757.03 = 505,598.58 : x
  2. Step 2: Convert to fraction form
    879,575.58/1,319,757.03 = 505,598.58/x
  3. Step 3: Cross multiply
    879,575.58x = 1,319,757.03 × 505,598.58
  4. Step 4: Simplify right side
    879,575.58x = 667,267,280,313.02
  5. Step 5: Solve for x
    x = 667,267,280,313.02/879,575.58
  6. Step 6: Final answer
    x = 758,624.15

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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.