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Finding the Fourth Proportional to 692,929, 956,242.50 and 374,977

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Solution

The fourth proportional to 692,929, 956,242.50 and 374,977 is: 517,468.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,929 : 956,242.50 = 374,977 : x
  2. Step 2: Convert to fraction form
    692,929/956,242.50 = 374,977/x
  3. Step 3: Cross multiply
    692,929x = 956,242.50 × 374,977
  4. Step 4: Simplify right side
    692,929x = 358,568,943,922.50
  5. Step 5: Solve for x
    x = 358,568,943,922.50/692,929
  6. Step 6: Final answer
    x = 517,468.52

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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.