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Finding the Fourth Proportional to 325,302.57, 448,602.62 and 253,656.45

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Solution

The fourth proportional to 325,302.57, 448,602.62 and 253,656.45 is: 349,800.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,302.57 : 448,602.62 = 253,656.45 : x
  2. Step 2: Convert to fraction form
    325,302.57/448,602.62 = 253,656.45/x
  3. Step 3: Cross multiply
    325,302.57x = 448,602.62 × 253,656.45
  4. Step 4: Simplify right side
    325,302.57x = 113,790,948,049.90
  5. Step 5: Solve for x
    x = 113,790,948,049.90/325,302.57
  6. Step 6: Final answer
    x = 349,800.34

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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.