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Finding the Fourth Proportional to 589,274.54, 813,204.23 and 356,706.82

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Solution

The fourth proportional to 589,274.54, 813,204.23 and 356,706.82 is: 492,258.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,274.54 : 813,204.23 = 356,706.82 : x
  2. Step 2: Convert to fraction form
    589,274.54/813,204.23 = 356,706.82/x
  3. Step 3: Cross multiply
    589,274.54x = 813,204.23 × 356,706.82
  4. Step 4: Simplify right side
    589,274.54x = 290,075,499,243.04
  5. Step 5: Solve for x
    x = 290,075,499,243.04/589,274.54
  6. Step 6: Final answer
    x = 492,258.67

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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.