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Finding the Fourth Proportional to 612,005.94, 844,556.98 and 340,068.88

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Solution

The fourth proportional to 612,005.94, 844,556.98 and 340,068.88 is: 469,288.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,005.94 : 844,556.98 = 340,068.88 : x
  2. Step 2: Convert to fraction form
    612,005.94/844,556.98 = 340,068.88/x
  3. Step 3: Cross multiply
    612,005.94x = 844,556.98 × 340,068.88
  4. Step 4: Simplify right side
    612,005.94x = 287,207,546,284.78
  5. Step 5: Solve for x
    x = 287,207,546,284.78/612,005.94
  6. Step 6: Final answer
    x = 469,288.82

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1.5x scale

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.