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Finding the Fourth Proportional to 308,645.19, 463,012.15 and 95,429.73

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Solution

The fourth proportional to 308,645.19, 463,012.15 and 95,429.73 is: 143,158.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,645.19 : 463,012.15 = 95,429.73 : x
  2. Step 2: Convert to fraction form
    308,645.19/463,012.15 = 95,429.73/x
  3. Step 3: Cross multiply
    308,645.19x = 463,012.15 × 95,429.73
  4. Step 4: Simplify right side
    308,645.19x = 44,185,124,461.22
  5. Step 5: Solve for x
    x = 44,185,124,461.22/308,645.19
  6. Step 6: Final answer
    x = 143,158.31

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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.