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Finding the Fourth Proportional to 798,897.84, 1,102,430.22 and 436,248

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Solution

The fourth proportional to 798,897.84, 1,102,430.22 and 436,248 is: 601,995.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,897.84 : 1,102,430.22 = 436,248 : x
  2. Step 2: Convert to fraction form
    798,897.84/1,102,430.22 = 436,248/x
  3. Step 3: Cross multiply
    798,897.84x = 1,102,430.22 × 436,248
  4. Step 4: Simplify right side
    798,897.84x = 480,932,978,614.56
  5. Step 5: Solve for x
    x = 480,932,978,614.56/798,897.84
  6. Step 6: Final answer
    x = 601,995.59

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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.