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Finding the Fourth Proportional to 253,173.69, 349,414.43 and 152,552.25

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Solution

The fourth proportional to 253,173.69, 349,414.43 and 152,552.25 is: 210,543.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,173.69 : 349,414.43 = 152,552.25 : x
  2. Step 2: Convert to fraction form
    253,173.69/349,414.43 = 152,552.25/x
  3. Step 3: Cross multiply
    253,173.69x = 349,414.43 × 152,552.25
  4. Step 4: Simplify right side
    253,173.69x = 53,303,956,716.21
  5. Step 5: Solve for x
    x = 53,303,956,716.21/253,173.69
  6. Step 6: Final answer
    x = 210,543.03

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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.