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Finding the Fourth Proportional to 375,791, 518,863.74 and 241,888.28

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Solution

The fourth proportional to 375,791, 518,863.74 and 241,888.28 is: 333,981.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,791 : 518,863.74 = 241,888.28 : x
  2. Step 2: Convert to fraction form
    375,791/518,863.74 = 241,888.28/x
  3. Step 3: Cross multiply
    375,791x = 518,863.74 × 241,888.28
  4. Step 4: Simplify right side
    375,791x = 125,507,057,622.97
  5. Step 5: Solve for x
    x = 125,507,057,622.97/375,791
  6. Step 6: Final answer
    x = 333,981.01

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1.5x scale

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.