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Finding the Fourth Proportional to 606,257.83, 909,386.67 and 340,039.10

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Solution

The fourth proportional to 606,257.83, 909,386.67 and 340,039.10 is: 510,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,257.83 : 909,386.67 = 340,039.10 : x
  2. Step 2: Convert to fraction form
    606,257.83/909,386.67 = 340,039.10/x
  3. Step 3: Cross multiply
    606,257.83x = 909,386.67 × 340,039.10
  4. Step 4: Simplify right side
    606,257.83x = 309,227,024,818.80
  5. Step 5: Solve for x
    x = 309,227,024,818.80/606,257.83
  6. Step 6: Final answer
    x = 510,058.61

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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.