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Finding the Fourth Proportional to 297,710.72, 410,816.96 and 170,357.12

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Solution

The fourth proportional to 297,710.72, 410,816.96 and 170,357.12 is: 235,079.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,710.72 : 410,816.96 = 170,357.12 : x
  2. Step 2: Convert to fraction form
    297,710.72/410,816.96 = 170,357.12/x
  3. Step 3: Cross multiply
    297,710.72x = 410,816.96 × 170,357.12
  4. Step 4: Simplify right side
    297,710.72x = 69,985,594,152.76
  5. Step 5: Solve for x
    x = 69,985,594,152.76/297,710.72
  6. Step 6: Final answer
    x = 235,079.19

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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.