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Finding the Fourth Proportional to 304,894.80, 420,749.40 and 168,926.04

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Solution

The fourth proportional to 304,894.80, 420,749.40 and 168,926.04 is: 233,114.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,894.80 : 420,749.40 = 168,926.04 : x
  2. Step 2: Convert to fraction form
    304,894.80/420,749.40 = 168,926.04/x
  3. Step 3: Cross multiply
    304,894.80x = 420,749.40 × 168,926.04
  4. Step 4: Simplify right side
    304,894.80x = 71,075,529,974.38
  5. Step 5: Solve for x
    x = 71,075,529,974.38/304,894.80
  6. Step 6: Final answer
    x = 233,114.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.