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Finding the Fourth Proportional to 606,618.10, 909,970.35 and 185,893.30

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Solution

The fourth proportional to 606,618.10, 909,970.35 and 185,893.30 is: 278,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,618.10 : 909,970.35 = 185,893.30 : x
  2. Step 2: Convert to fraction form
    606,618.10/909,970.35 = 185,893.30/x
  3. Step 3: Cross multiply
    606,618.10x = 909,970.35 × 185,893.30
  4. Step 4: Simplify right side
    606,618.10x = 169,157,391,263.66
  5. Step 5: Solve for x
    x = 169,157,391,263.66/606,618.10
  6. Step 6: Final answer
    x = 278,853.19

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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.