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Finding the Fourth Proportional to 341,322.50, 471,025.32 and 190,419.50

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Solution

The fourth proportional to 341,322.50, 471,025.32 and 190,419.50 is: 262,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,322.50 : 471,025.32 = 190,419.50 : x
  2. Step 2: Convert to fraction form
    341,322.50/471,025.32 = 190,419.50/x
  3. Step 3: Cross multiply
    341,322.50x = 471,025.32 × 190,419.50
  4. Step 4: Simplify right side
    341,322.50x = 89,692,405,921.74
  5. Step 5: Solve for x
    x = 89,692,405,921.74/341,322.50
  6. Step 6: Final answer
    x = 262,779.06

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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.