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Finding the Fourth Proportional to 377,410.80, 565,649.64 and 190,320.24

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Solution

The fourth proportional to 377,410.80, 565,649.64 and 190,320.24 is: 285,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,410.80 : 565,649.64 = 190,320.24 : x
  2. Step 2: Convert to fraction form
    377,410.80/565,649.64 = 190,320.24/x
  3. Step 3: Cross multiply
    377,410.80x = 565,649.64 × 190,320.24
  4. Step 4: Simplify right side
    377,410.80x = 107,654,575,240.71
  5. Step 5: Solve for x
    x = 107,654,575,240.71/377,410.80
  6. Step 6: Final answer
    x = 285,245.08

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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.