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Finding the Fourth Proportional to 704,696.42, 972,483.69 and 382,406.58

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Solution

The fourth proportional to 704,696.42, 972,483.69 and 382,406.58 is: 527,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,696.42 : 972,483.69 = 382,406.58 : x
  2. Step 2: Convert to fraction form
    704,696.42/972,483.69 = 382,406.58/x
  3. Step 3: Cross multiply
    704,696.42x = 972,483.69 × 382,406.58
  4. Step 4: Simplify right side
    704,696.42x = 371,884,161,998.68
  5. Step 5: Solve for x
    x = 371,884,161,998.68/704,696.42
  6. Step 6: Final answer
    x = 527,722.51

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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.