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Finding the Fourth Proportional to 679,482.75, 937,662.30 and 373,556.92

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Solution

The fourth proportional to 679,482.75, 937,662.30 and 373,556.92 is: 515,495.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,482.75 : 937,662.30 = 373,556.92 : x
  2. Step 2: Convert to fraction form
    679,482.75/937,662.30 = 373,556.92/x
  3. Step 3: Cross multiply
    679,482.75x = 937,662.30 × 373,556.92
  4. Step 4: Simplify right side
    679,482.75x = 350,270,240,788.12
  5. Step 5: Solve for x
    x = 350,270,240,788.12/679,482.75
  6. Step 6: Final answer
    x = 515,495.41

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1.5x scale

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.