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Finding the Fourth Proportional to 341,603.38, 471,412.60 and 190,700.38

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Solution

The fourth proportional to 341,603.38, 471,412.60 and 190,700.38 is: 263,166.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,603.38 : 471,412.60 = 190,700.38 : x
  2. Step 2: Convert to fraction form
    341,603.38/471,412.60 = 190,700.38/x
  3. Step 3: Cross multiply
    341,603.38x = 471,412.60 × 190,700.38
  4. Step 4: Simplify right side
    341,603.38x = 89,898,561,956.79
  5. Step 5: Solve for x
    x = 89,898,561,956.79/341,603.38
  6. Step 6: Final answer
    x = 263,166.49

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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.