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Finding the Fourth Proportional to 341,341.20, 471,051.06 and 190,438.20

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Solution

The fourth proportional to 341,341.20, 471,051.06 and 190,438.20 is: 262,804.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,341.20 : 471,051.06 = 190,438.20 : x
  2. Step 2: Convert to fraction form
    341,341.20/471,051.06 = 190,438.20/x
  3. Step 3: Cross multiply
    341,341.20x = 471,051.06 × 190,438.20
  4. Step 4: Simplify right side
    341,341.20x = 89,706,115,974.49
  5. Step 5: Solve for x
    x = 89,706,115,974.49/341,341.20
  6. Step 6: Final answer
    x = 262,804.83

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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.