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Finding the Fourth Proportional to 617,486.50, 852,131.37 and 334,862.50

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Solution

The fourth proportional to 617,486.50, 852,131.37 and 334,862.50 is: 462,110.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,486.50 : 852,131.37 = 334,862.50 : x
  2. Step 2: Convert to fraction form
    617,486.50/852,131.37 = 334,862.50/x
  3. Step 3: Cross multiply
    617,486.50x = 852,131.37 × 334,862.50
  4. Step 4: Simplify right side
    617,486.50x = 285,346,840,886.63
  5. Step 5: Solve for x
    x = 285,346,840,886.63/617,486.50
  6. Step 6: Final answer
    x = 462,110.25

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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.