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Finding the Fourth Proportional to 577,068.60, 864,566.10 and 494,124.60

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Solution

The fourth proportional to 577,068.60, 864,566.10 and 494,124.60 is: 740,299.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,068.60 : 864,566.10 = 494,124.60 : x
  2. Step 2: Convert to fraction form
    577,068.60/864,566.10 = 494,124.60/x
  3. Step 3: Cross multiply
    577,068.60x = 864,566.10 × 494,124.60
  4. Step 4: Simplify right side
    577,068.60x = 427,203,378,336.06
  5. Step 5: Solve for x
    x = 427,203,378,336.06/577,068.60
  6. Step 6: Final answer
    x = 740,299.12

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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.