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Finding the Fourth Proportional to 308,763.24, 463,569.89 and 157,063.02

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Solution

The fourth proportional to 308,763.24, 463,569.89 and 157,063.02 is: 235,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,763.24 : 463,569.89 = 157,063.02 : x
  2. Step 2: Convert to fraction form
    308,763.24/463,569.89 = 157,063.02/x
  3. Step 3: Cross multiply
    308,763.24x = 463,569.89 × 157,063.02
  4. Step 4: Simplify right side
    308,763.24x = 72,809,686,904.47
  5. Step 5: Solve for x
    x = 72,809,686,904.47/308,763.24
  6. Step 6: Final answer
    x = 235,810.74

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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.