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Finding the Fourth Proportional to 434,700, 599,887.62 and 253,537.02

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Solution

The fourth proportional to 434,700, 599,887.62 and 253,537.02 is: 349,882.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,700 : 599,887.62 = 253,537.02 : x
  2. Step 2: Convert to fraction form
    434,700/599,887.62 = 253,537.02/x
  3. Step 3: Cross multiply
    434,700x = 599,887.62 × 253,537.02
  4. Step 4: Simplify right side
    434,700x = 152,093,719,509.69
  5. Step 5: Solve for x
    x = 152,093,719,509.69/434,700
  6. Step 6: Final answer
    x = 349,882.03

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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.