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Finding the Fourth Proportional to 704,362.54, 970,941.80 and 431,925.26

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Solution

The fourth proportional to 704,362.54, 970,941.80 and 431,925.26 is: 595,395.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,362.54 : 970,941.80 = 431,925.26 : x
  2. Step 2: Convert to fraction form
    704,362.54/970,941.80 = 431,925.26/x
  3. Step 3: Cross multiply
    704,362.54x = 970,941.80 × 431,925.26
  4. Step 4: Simplify right side
    704,362.54x = 419,374,289,409.87
  5. Step 5: Solve for x
    x = 419,374,289,409.87/704,362.54
  6. Step 6: Final answer
    x = 595,395.50

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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.