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Finding the Fourth Proportional to 830,668.60, 1,246,002.90 and 683,046.10

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Solution

The fourth proportional to 830,668.60, 1,246,002.90 and 683,046.10 is: 1,024,569.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,668.60 : 1,246,002.90 = 683,046.10 : x
  2. Step 2: Convert to fraction form
    830,668.60/1,246,002.90 = 683,046.10/x
  3. Step 3: Cross multiply
    830,668.60x = 1,246,002.90 × 683,046.10
  4. Step 4: Simplify right side
    830,668.60x = 851,077,421,433.69
  5. Step 5: Solve for x
    x = 851,077,421,433.69/830,668.60
  6. Step 6: Final answer
    x = 1,024,569.15

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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.