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Finding the Fourth Proportional to 308,666.70, 463,065.66 and 95,448.78

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Solution

The fourth proportional to 308,666.70, 463,065.66 and 95,448.78 is: 143,193.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,666.70 : 463,065.66 = 95,448.78 : x
  2. Step 2: Convert to fraction form
    308,666.70/463,065.66 = 95,448.78/x
  3. Step 3: Cross multiply
    308,666.70x = 463,065.66 × 95,448.78
  4. Step 4: Simplify right side
    308,666.70x = 44,199,052,306.89
  5. Step 5: Solve for x
    x = 44,199,052,306.89/308,666.70
  6. Step 6: Final answer
    x = 143,193.46

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1.5x scale

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.