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Finding the Fourth Proportional to 309,701.70, 464,552.55 and 309,701.70

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Solution

The fourth proportional to 309,701.70, 464,552.55 and 309,701.70 is: 464,552.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,701.70 : 464,552.55 = 309,701.70 : x
  2. Step 2: Convert to fraction form
    309,701.70/464,552.55 = 309,701.70/x
  3. Step 3: Cross multiply
    309,701.70x = 464,552.55 × 309,701.70
  4. Step 4: Simplify right side
    309,701.70x = 143,872,714,474.34
  5. Step 5: Solve for x
    x = 143,872,714,474.34/309,701.70
  6. Step 6: Final answer
    x = 464,552.55

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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.