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Finding the Fourth Proportional to 491,907.77, 736,194.98 and 302,488.06

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Solution

The fourth proportional to 491,907.77, 736,194.98 and 302,488.06 is: 452,707.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,907.77 : 736,194.98 = 302,488.06 : x
  2. Step 2: Convert to fraction form
    491,907.77/736,194.98 = 302,488.06/x
  3. Step 3: Cross multiply
    491,907.77x = 736,194.98 × 302,488.06
  4. Step 4: Simplify right side
    491,907.77x = 222,690,189,063.34
  5. Step 5: Solve for x
    x = 222,690,189,063.34/491,907.77
  6. Step 6: Final answer
    x = 452,707.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.