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Finding the Fourth Proportional to 692,992, 956,329.44 and 375,040

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Solution

The fourth proportional to 692,992, 956,329.44 and 375,040 is: 517,555.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,992 : 956,329.44 = 375,040 : x
  2. Step 2: Convert to fraction form
    692,992/956,329.44 = 375,040/x
  3. Step 3: Cross multiply
    692,992x = 956,329.44 × 375,040
  4. Step 4: Simplify right side
    692,992x = 358,661,793,177.60
  5. Step 5: Solve for x
    x = 358,661,793,177.60/692,992
  6. Step 6: Final answer
    x = 517,555.46

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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.