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Finding the Fourth Proportional to 519,392.06, 779,384.06 and 414,875.33

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Solution

The fourth proportional to 519,392.06, 779,384.06 and 414,875.33 is: 622,549.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,392.06 : 779,384.06 = 414,875.33 : x
  2. Step 2: Convert to fraction form
    519,392.06/779,384.06 = 414,875.33/x
  3. Step 3: Cross multiply
    519,392.06x = 779,384.06 × 414,875.33
  4. Step 4: Simplify right side
    519,392.06x = 323,347,217,014.86
  5. Step 5: Solve for x
    x = 323,347,217,014.86/519,392.06
  6. Step 6: Final answer
    x = 622,549.40

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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.