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Finding the Fourth Proportional to 606,159.90, 909,790.65 and 306,848.70

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Solution

The fourth proportional to 606,159.90, 909,790.65 and 306,848.70 is: 460,551.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,159.90 : 909,790.65 = 306,848.70 : x
  2. Step 2: Convert to fraction form
    606,159.90/909,790.65 = 306,848.70/x
  3. Step 3: Cross multiply
    606,159.90x = 909,790.65 × 306,848.70
  4. Step 4: Simplify right side
    606,159.90x = 279,168,078,224.66
  5. Step 5: Solve for x
    x = 279,168,078,224.66/606,159.90
  6. Step 6: Final answer
    x = 460,551.87

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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.