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Finding the Fourth Proportional to 345,809.93, 477,208.19 and 192,852.77

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Solution

The fourth proportional to 345,809.93, 477,208.19 and 192,852.77 is: 266,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,809.93 : 477,208.19 = 192,852.77 : x
  2. Step 2: Convert to fraction form
    345,809.93/477,208.19 = 192,852.77/x
  3. Step 3: Cross multiply
    345,809.93x = 477,208.19 × 192,852.77
  4. Step 4: Simplify right side
    345,809.93x = 92,030,919,404.28
  5. Step 5: Solve for x
    x = 92,030,919,404.28/345,809.93
  6. Step 6: Final answer
    x = 266,131.52

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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.