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Finding the Fourth Proportional to 304,813.88, 455,366.90 and 197,322.14

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Solution

The fourth proportional to 304,813.88, 455,366.90 and 197,322.14 is: 294,783.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,813.88 : 455,366.90 = 197,322.14 : x
  2. Step 2: Convert to fraction form
    304,813.88/455,366.90 = 197,322.14/x
  3. Step 3: Cross multiply
    304,813.88x = 455,366.90 × 197,322.14
  4. Step 4: Simplify right side
    304,813.88x = 89,853,971,838.28
  5. Step 5: Solve for x
    x = 89,853,971,838.28/304,813.88
  6. Step 6: Final answer
    x = 294,783.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.