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Finding the Fourth Proportional to 487,151.94, 730,893.32 and 262,534.88

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Solution

The fourth proportional to 487,151.94, 730,893.32 and 262,534.88 is: 393,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,151.94 : 730,893.32 = 262,534.88 : x
  2. Step 2: Convert to fraction form
    487,151.94/730,893.32 = 262,534.88/x
  3. Step 3: Cross multiply
    487,151.94x = 730,893.32 × 262,534.88
  4. Step 4: Simplify right side
    487,151.94x = 191,884,990,059.00
  5. Step 5: Solve for x
    x = 191,884,990,059.00/487,151.94
  6. Step 6: Final answer
    x = 393,891.46

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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.