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Finding the Fourth Proportional to 325,503.76, 449,202.40 and 185,799.52

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Solution

The fourth proportional to 325,503.76, 449,202.40 and 185,799.52 is: 256,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,503.76 : 449,202.40 = 185,799.52 : x
  2. Step 2: Convert to fraction form
    325,503.76/449,202.40 = 185,799.52/x
  3. Step 3: Cross multiply
    325,503.76x = 449,202.40 × 185,799.52
  4. Step 4: Simplify right side
    325,503.76x = 83,461,590,302.85
  5. Step 5: Solve for x
    x = 83,461,590,302.85/325,503.76
  6. Step 6: Final answer
    x = 256,407.45

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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.