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Finding the Fourth Proportional to 363,859.70, 545,789.55 and 304,810.70

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Solution

The fourth proportional to 363,859.70, 545,789.55 and 304,810.70 is: 457,216.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,859.70 : 545,789.55 = 304,810.70 : x
  2. Step 2: Convert to fraction form
    363,859.70/545,789.55 = 304,810.70/x
  3. Step 3: Cross multiply
    363,859.70x = 545,789.55 × 304,810.70
  4. Step 4: Simplify right side
    363,859.70x = 166,362,494,788.19
  5. Step 5: Solve for x
    x = 166,362,494,788.19/363,859.70
  6. Step 6: Final answer
    x = 457,216.05

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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.