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Finding the Fourth Proportional to 435,076.36, 600,270.72 and 253,659.88

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Solution

The fourth proportional to 435,076.36, 600,270.72 and 253,659.88 is: 349,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,076.36 : 600,270.72 = 253,659.88 : x
  2. Step 2: Convert to fraction form
    435,076.36/600,270.72 = 253,659.88/x
  3. Step 3: Cross multiply
    435,076.36x = 600,270.72 × 253,659.88
  4. Step 4: Simplify right side
    435,076.36x = 152,264,598,802.71
  5. Step 5: Solve for x
    x = 152,264,598,802.71/435,076.36
  6. Step 6: Final answer
    x = 349,972.13

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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.