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Finding the Fourth Proportional to 490,539.48, 737,225.48 and 456,483.29

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Solution

The fourth proportional to 490,539.48, 737,225.48 and 456,483.29 is: 686,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,539.48 : 737,225.48 = 456,483.29 : x
  2. Step 2: Convert to fraction form
    490,539.48/737,225.48 = 456,483.29/x
  3. Step 3: Cross multiply
    490,539.48x = 737,225.48 × 456,483.29
  4. Step 4: Simplify right side
    490,539.48x = 336,531,106,613.69
  5. Step 5: Solve for x
    x = 336,531,106,613.69/490,539.48
  6. Step 6: Final answer
    x = 686,042.86

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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.