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Finding the Fourth Proportional to 709,509.96, 979,484.94 and 548,002.44

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Solution

The fourth proportional to 709,509.96, 979,484.94 and 548,002.44 is: 756,522.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,509.96 : 979,484.94 = 548,002.44 : x
  2. Step 2: Convert to fraction form
    709,509.96/979,484.94 = 548,002.44/x
  3. Step 3: Cross multiply
    709,509.96x = 979,484.94 × 548,002.44
  4. Step 4: Simplify right side
    709,509.96x = 536,760,137,063.25
  5. Step 5: Solve for x
    x = 536,760,137,063.25/709,509.96
  6. Step 6: Final answer
    x = 756,522.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.