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Finding the Fourth Proportional to 375,783, 518,852.70 and 241,880.28

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Solution

The fourth proportional to 375,783, 518,852.70 and 241,880.28 is: 333,969.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,783 : 518,852.70 = 241,880.28 : x
  2. Step 2: Convert to fraction form
    375,783/518,852.70 = 241,880.28/x
  3. Step 3: Cross multiply
    375,783x = 518,852.70 × 241,880.28
  4. Step 4: Simplify right side
    375,783x = 125,500,236,354.76
  5. Step 5: Solve for x
    x = 125,500,236,354.76/375,783
  6. Step 6: Final answer
    x = 333,969.97

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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.