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Finding the Fourth Proportional to 647,460.52, 893,177.94 and 432,653.32

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Solution

The fourth proportional to 647,460.52, 893,177.94 and 432,653.32 is: 596,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,460.52 : 893,177.94 = 432,653.32 : x
  2. Step 2: Convert to fraction form
    647,460.52/893,177.94 = 432,653.32/x
  3. Step 3: Cross multiply
    647,460.52x = 893,177.94 × 432,653.32
  4. Step 4: Simplify right side
    647,460.52x = 386,436,401,091.76
  5. Step 5: Solve for x
    x = 386,436,401,091.76/647,460.52
  6. Step 6: Final answer
    x = 596,849.37

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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.