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Finding the Fourth Proportional to 589,889.40, 883,521.90 and 484,913.40

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Solution

The fourth proportional to 589,889.40, 883,521.90 and 484,913.40 is: 726,291.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,889.40 : 883,521.90 = 484,913.40 : x
  2. Step 2: Convert to fraction form
    589,889.40/883,521.90 = 484,913.40/x
  3. Step 3: Cross multiply
    589,889.40x = 883,521.90 × 484,913.40
  4. Step 4: Simplify right side
    589,889.40x = 428,431,608,503.46
  5. Step 5: Solve for x
    x = 428,431,608,503.46/589,889.40
  6. Step 6: Final answer
    x = 726,291.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.