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Finding the Fourth Proportional to 304,675.95, 420,452.17 and 175,613.56

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Solution

The fourth proportional to 304,675.95, 420,452.17 and 175,613.56 is: 242,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,675.95 : 420,452.17 = 175,613.56 : x
  2. Step 2: Convert to fraction form
    304,675.95/420,452.17 = 175,613.56/x
  3. Step 3: Cross multiply
    304,675.95x = 420,452.17 × 175,613.56
  4. Step 4: Simplify right side
    304,675.95x = 73,837,101,881.09
  5. Step 5: Solve for x
    x = 73,837,101,881.09/304,675.95
  6. Step 6: Final answer
    x = 242,346.34

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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.