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Finding the Fourth Proportional to 523,000.70, 784,832.61 and 223,483.40

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Solution

The fourth proportional to 523,000.70, 784,832.61 and 223,483.40 is: 335,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,000.70 : 784,832.61 = 223,483.40 : x
  2. Step 2: Convert to fraction form
    523,000.70/784,832.61 = 223,483.40/x
  3. Step 3: Cross multiply
    523,000.70x = 784,832.61 × 223,483.40
  4. Step 4: Simplify right side
    523,000.70x = 175,397,060,113.67
  5. Step 5: Solve for x
    x = 175,397,060,113.67/523,000.70
  6. Step 6: Final answer
    x = 335,366.78

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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.