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Finding the Fourth Proportional to 692,412, 955,531.44 and 374,460

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Solution

The fourth proportional to 692,412, 955,531.44 and 374,460 is: 516,756.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,412 : 955,531.44 = 374,460 : x
  2. Step 2: Convert to fraction form
    692,412/955,531.44 = 374,460/x
  3. Step 3: Cross multiply
    692,412x = 955,531.44 × 374,460
  4. Step 4: Simplify right side
    692,412x = 357,808,303,022.40
  5. Step 5: Solve for x
    x = 357,808,303,022.40/692,412
  6. Step 6: Final answer
    x = 516,756.36

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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.