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Finding the Fourth Proportional to 368,952.60, 552,570.72 and 356,167.26

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Solution

The fourth proportional to 368,952.60, 552,570.72 and 356,167.26 is: 533,422.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,952.60 : 552,570.72 = 356,167.26 : x
  2. Step 2: Convert to fraction form
    368,952.60/552,570.72 = 356,167.26/x
  3. Step 3: Cross multiply
    368,952.60x = 552,570.72 × 356,167.26
  4. Step 4: Simplify right side
    368,952.60x = 196,807,599,298.63
  5. Step 5: Solve for x
    x = 196,807,599,298.63/368,952.60
  6. Step 6: Final answer
    x = 533,422.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.