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Finding the Fourth Proportional to 253,776.96, 350,226.72 and 153,190.08

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Solution

The fourth proportional to 253,776.96, 350,226.72 and 153,190.08 is: 211,411.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,776.96 : 350,226.72 = 153,190.08 : x
  2. Step 2: Convert to fraction form
    253,776.96/350,226.72 = 153,190.08/x
  3. Step 3: Cross multiply
    253,776.96x = 350,226.72 × 153,190.08
  4. Step 4: Simplify right side
    253,776.96x = 53,651,259,254.94
  5. Step 5: Solve for x
    x = 53,651,259,254.94/253,776.96
  6. Step 6: Final answer
    x = 211,411.07

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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.