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Finding the Fourth Proportional to 727,476.48, 1,003,968 and 441,008.64

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Solution

The fourth proportional to 727,476.48, 1,003,968 and 441,008.64 is: 608,622.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,476.48 : 1,003,968 = 441,008.64 : x
  2. Step 2: Convert to fraction form
    727,476.48/1,003,968 = 441,008.64/x
  3. Step 3: Cross multiply
    727,476.48x = 1,003,968 × 441,008.64
  4. Step 4: Simplify right side
    727,476.48x = 442,758,562,283.52
  5. Step 5: Solve for x
    x = 442,758,562,283.52/727,476.48
  6. Step 6: Final answer
    x = 608,622.51

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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.