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Finding the Fourth Proportional to 606,502.90, 909,754.35 and 382,116.70

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Solution

The fourth proportional to 606,502.90, 909,754.35 and 382,116.70 is: 573,175.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,502.90 : 909,754.35 = 382,116.70 : x
  2. Step 2: Convert to fraction form
    606,502.90/909,754.35 = 382,116.70/x
  3. Step 3: Cross multiply
    606,502.90x = 909,754.35 × 382,116.70
  4. Step 4: Simplify right side
    606,502.90x = 347,632,330,032.65
  5. Step 5: Solve for x
    x = 347,632,330,032.65/606,502.90
  6. Step 6: Final answer
    x = 573,175.05

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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.