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Finding the Fourth Proportional to 191,042.40, 286,563.60 and 191,042.40

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Solution

The fourth proportional to 191,042.40, 286,563.60 and 191,042.40 is: 286,563.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,042.40 : 286,563.60 = 191,042.40 : x
  2. Step 2: Convert to fraction form
    191,042.40/286,563.60 = 191,042.40/x
  3. Step 3: Cross multiply
    191,042.40x = 286,563.60 × 191,042.40
  4. Step 4: Simplify right side
    191,042.40x = 54,745,797,896.64
  5. Step 5: Solve for x
    x = 54,745,797,896.64/191,042.40
  6. Step 6: Final answer
    x = 286,563.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.