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Finding the Fourth Proportional to 482,599.56, 666,018.94 and 278,659.08

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Solution

The fourth proportional to 482,599.56, 666,018.94 and 278,659.08 is: 384,567.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,599.56 : 666,018.94 = 278,659.08 : x
  2. Step 2: Convert to fraction form
    482,599.56/666,018.94 = 278,659.08/x
  3. Step 3: Cross multiply
    482,599.56x = 666,018.94 × 278,659.08
  4. Step 4: Simplify right side
    482,599.56x = 185,592,224,386.33
  5. Step 5: Solve for x
    x = 185,592,224,386.33/482,599.56
  6. Step 6: Final answer
    x = 384,567.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.