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Finding the Fourth Proportional to 297,430.27, 410,301.72 and 189,887.28

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Solution

The fourth proportional to 297,430.27, 410,301.72 and 189,887.28 is: 261,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,430.27 : 410,301.72 = 189,887.28 : x
  2. Step 2: Convert to fraction form
    297,430.27/410,301.72 = 189,887.28/x
  3. Step 3: Cross multiply
    297,430.27x = 410,301.72 × 189,887.28
  4. Step 4: Simplify right side
    297,430.27x = 77,911,077,590.12
  5. Step 5: Solve for x
    x = 77,911,077,590.12/297,430.27
  6. Step 6: Final answer
    x = 261,947.37

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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.