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Finding the Fourth Proportional to 375,999.40, 519,135.78 and 262,858.60

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Solution

The fourth proportional to 375,999.40, 519,135.78 and 262,858.60 is: 362,924.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,999.40 : 519,135.78 = 262,858.60 : x
  2. Step 2: Convert to fraction form
    375,999.40/519,135.78 = 262,858.60/x
  3. Step 3: Cross multiply
    375,999.40x = 519,135.78 × 262,858.60
  4. Step 4: Simplify right side
    375,999.40x = 136,459,304,340.71
  5. Step 5: Solve for x
    x = 136,459,304,340.71/375,999.40
  6. Step 6: Final answer
    x = 362,924.26

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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.