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Finding the Fourth Proportional to 574,788.92, 793,271.06 and 316,692.36

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Solution

The fourth proportional to 574,788.92, 793,271.06 and 316,692.36 is: 437,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,788.92 : 793,271.06 = 316,692.36 : x
  2. Step 2: Convert to fraction form
    574,788.92/793,271.06 = 316,692.36/x
  3. Step 3: Cross multiply
    574,788.92x = 793,271.06 × 316,692.36
  4. Step 4: Simplify right side
    574,788.92x = 251,222,884,111.10
  5. Step 5: Solve for x
    x = 251,222,884,111.10/574,788.92
  6. Step 6: Final answer
    x = 437,069.81

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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.