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Finding the Fourth Proportional to 313,988, 433,342.68 and 179,852

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Solution

The fourth proportional to 313,988, 433,342.68 and 179,852 is: 248,218.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,988 : 433,342.68 = 179,852 : x
  2. Step 2: Convert to fraction form
    313,988/433,342.68 = 179,852/x
  3. Step 3: Cross multiply
    313,988x = 433,342.68 × 179,852
  4. Step 4: Simplify right side
    313,988x = 77,937,547,683.36
  5. Step 5: Solve for x
    x = 77,937,547,683.36/313,988
  6. Step 6: Final answer
    x = 248,218.24

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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.