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Finding the Fourth Proportional to 377,759.20, 565,326.60 and 346,266.40

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Solution

The fourth proportional to 377,759.20, 565,326.60 and 346,266.40 is: 518,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,759.20 : 565,326.60 = 346,266.40 : x
  2. Step 2: Convert to fraction form
    377,759.20/565,326.60 = 346,266.40/x
  3. Step 3: Cross multiply
    377,759.20x = 565,326.60 × 346,266.40
  4. Step 4: Simplify right side
    377,759.20x = 195,753,606,606.24
  5. Step 5: Solve for x
    x = 195,753,606,606.24/377,759.20
  6. Step 6: Final answer
    x = 518,196.79

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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.