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Finding the Fourth Proportional to 606,978.30, 910,588.95 and 180,513.30

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Solution

The fourth proportional to 606,978.30, 910,588.95 and 180,513.30 is: 270,806.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,978.30 : 910,588.95 = 180,513.30 : x
  2. Step 2: Convert to fraction form
    606,978.30/910,588.95 = 180,513.30/x
  3. Step 3: Cross multiply
    606,978.30x = 910,588.95 × 180,513.30
  4. Step 4: Simplify right side
    606,978.30x = 164,373,416,308.04
  5. Step 5: Solve for x
    x = 164,373,416,308.04/606,978.30
  6. Step 6: Final answer
    x = 270,806.08

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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.