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Finding the Fourth Proportional to 384,351.48, 576,881.64 and 194,944.80

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Solution

The fourth proportional to 384,351.48, 576,881.64 and 194,944.80 is: 292,596.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,351.48 : 576,881.64 = 194,944.80 : x
  2. Step 2: Convert to fraction form
    384,351.48/576,881.64 = 194,944.80/x
  3. Step 3: Cross multiply
    384,351.48x = 576,881.64 × 194,944.80
  4. Step 4: Simplify right side
    384,351.48x = 112,460,075,933.47
  5. Step 5: Solve for x
    x = 112,460,075,933.47/384,351.48
  6. Step 6: Final answer
    x = 292,596.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.