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Finding the Fourth Proportional to 568,430.40, 851,007.20 and 347,246.40

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Solution

The fourth proportional to 568,430.40, 851,007.20 and 347,246.40 is: 519,868.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,430.40 : 851,007.20 = 347,246.40 : x
  2. Step 2: Convert to fraction form
    568,430.40/851,007.20 = 347,246.40/x
  3. Step 3: Cross multiply
    568,430.40x = 851,007.20 × 347,246.40
  4. Step 4: Simplify right side
    568,430.40x = 295,509,186,574.08
  5. Step 5: Solve for x
    x = 295,509,186,574.08/568,430.40
  6. Step 6: Final answer
    x = 519,868.72

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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.