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Finding the Fourth Proportional to 606,118.94, 909,080.13 and 286,270.46

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Solution

The fourth proportional to 606,118.94, 909,080.13 and 286,270.46 is: 429,359.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,118.94 : 909,080.13 = 286,270.46 : x
  2. Step 2: Convert to fraction form
    606,118.94/909,080.13 = 286,270.46/x
  3. Step 3: Cross multiply
    606,118.94x = 909,080.13 × 286,270.46
  4. Step 4: Simplify right side
    606,118.94x = 260,242,786,991.96
  5. Step 5: Solve for x
    x = 260,242,786,991.96/606,118.94
  6. Step 6: Final answer
    x = 429,359.27

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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.