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Finding the Fourth Proportional to 308,557.84, 425,900.34 and 179,526.66

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Solution

The fourth proportional to 308,557.84, 425,900.34 and 179,526.66 is: 247,799.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,557.84 : 425,900.34 = 179,526.66 : x
  2. Step 2: Convert to fraction form
    308,557.84/425,900.34 = 179,526.66/x
  3. Step 3: Cross multiply
    308,557.84x = 425,900.34 × 179,526.66
  4. Step 4: Simplify right side
    308,557.84x = 76,460,465,533.06
  5. Step 5: Solve for x
    x = 76,460,465,533.06/308,557.84
  6. Step 6: Final answer
    x = 247,799.46

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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.