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Finding the Fourth Proportional to 612,004.63, 844,549.62 and 340,065.52

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Solution

The fourth proportional to 612,004.63, 844,549.62 and 340,065.52 is: 469,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,004.63 : 844,549.62 = 340,065.52 : x
  2. Step 2: Convert to fraction form
    612,004.63/844,549.62 = 340,065.52/x
  3. Step 3: Cross multiply
    612,004.63x = 844,549.62 × 340,065.52
  4. Step 4: Simplify right side
    612,004.63x = 287,202,205,691.10
  5. Step 5: Solve for x
    x = 287,202,205,691.10/612,004.63
  6. Step 6: Final answer
    x = 469,281.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.