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Finding the Fourth Proportional to 392,554.80, 589,026.60 and 224,204.40

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Solution

The fourth proportional to 392,554.80, 589,026.60 and 224,204.40 is: 336,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,554.80 : 589,026.60 = 224,204.40 : x
  2. Step 2: Convert to fraction form
    392,554.80/589,026.60 = 224,204.40/x
  3. Step 3: Cross multiply
    392,554.80x = 589,026.60 × 224,204.40
  4. Step 4: Simplify right side
    392,554.80x = 132,062,355,437.04
  5. Step 5: Solve for x
    x = 132,062,355,437.04/392,554.80
  6. Step 6: Final answer
    x = 336,417.63

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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.