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Finding the Fourth Proportional to 606,686.60, 910,029.90 and 185,907.80

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Solution

The fourth proportional to 606,686.60, 910,029.90 and 185,907.80 is: 278,861.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,686.60 : 910,029.90 = 185,907.80 : x
  2. Step 2: Convert to fraction form
    606,686.60/910,029.90 = 185,907.80/x
  3. Step 3: Cross multiply
    606,686.60x = 910,029.90 × 185,907.80
  4. Step 4: Simplify right side
    606,686.60x = 169,181,656,643.22
  5. Step 5: Solve for x
    x = 169,181,656,643.22/606,686.60
  6. Step 6: Final answer
    x = 278,861.70

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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.