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Finding the Fourth Proportional to 523,042.30, 784,563.45 and 370,253.02

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Solution

The fourth proportional to 523,042.30, 784,563.45 and 370,253.02 is: 555,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,042.30 : 784,563.45 = 370,253.02 : x
  2. Step 2: Convert to fraction form
    523,042.30/784,563.45 = 370,253.02/x
  3. Step 3: Cross multiply
    523,042.30x = 784,563.45 × 370,253.02
  4. Step 4: Simplify right side
    523,042.30x = 290,486,982,821.30
  5. Step 5: Solve for x
    x = 290,486,982,821.30/523,042.30
  6. Step 6: Final answer
    x = 555,379.52

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Similar ratio
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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.