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Finding the Fourth Proportional to 341,434.76, 471,136.50 and 190,538.12

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Solution

The fourth proportional to 341,434.76, 471,136.50 and 190,538.12 is: 262,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,434.76 : 471,136.50 = 190,538.12 : x
  2. Step 2: Convert to fraction form
    341,434.76/471,136.50 = 190,538.12/x
  3. Step 3: Cross multiply
    341,434.76x = 471,136.50 × 190,538.12
  4. Step 4: Simplify right side
    341,434.76x = 89,769,462,973.38
  5. Step 5: Solve for x
    x = 89,769,462,973.38/341,434.76
  6. Step 6: Final answer
    x = 262,918.35

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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.