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Finding the Fourth Proportional to 432,603.41, 596,989.31 and 251,421.39

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Solution

The fourth proportional to 432,603.41, 596,989.31 and 251,421.39 is: 346,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,603.41 : 596,989.31 = 251,421.39 : x
  2. Step 2: Convert to fraction form
    432,603.41/596,989.31 = 251,421.39/x
  3. Step 3: Cross multiply
    432,603.41x = 596,989.31 × 251,421.39
  4. Step 4: Simplify right side
    432,603.41x = 150,095,880,878.23
  5. Step 5: Solve for x
    x = 150,095,880,878.23/432,603.41
  6. Step 6: Final answer
    x = 346,959.55

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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.