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Finding the Fourth Proportional to 375,789, 518,860.98 and 241,886.28

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Solution

The fourth proportional to 375,789, 518,860.98 and 241,886.28 is: 333,978.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,789 : 518,860.98 = 241,886.28 : x
  2. Step 2: Convert to fraction form
    375,789/518,860.98 = 241,886.28/x
  3. Step 3: Cross multiply
    375,789x = 518,860.98 × 241,886.28
  4. Step 4: Simplify right side
    375,789x = 125,505,352,289.35
  5. Step 5: Solve for x
    x = 125,505,352,289.35/375,789
  6. Step 6: Final answer
    x = 333,978.25

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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.