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Finding the Fourth Proportional to 341,387.28, 471,114.09 and 190,484.28

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Solution

The fourth proportional to 341,387.28, 471,114.09 and 190,484.28 is: 262,868.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,387.28 : 471,114.09 = 190,484.28 : x
  2. Step 2: Convert to fraction form
    341,387.28/471,114.09 = 190,484.28/x
  3. Step 3: Cross multiply
    341,387.28x = 471,114.09 × 190,484.28
  4. Step 4: Simplify right side
    341,387.28x = 89,739,828,231.51
  5. Step 5: Solve for x
    x = 89,739,828,231.51/341,387.28
  6. Step 6: Final answer
    x = 262,868.11

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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.