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Finding the Fourth Proportional to 304,528.50, 420,243.50 and 168,562.58

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Solution

The fourth proportional to 304,528.50, 420,243.50 and 168,562.58 is: 232,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,528.50 : 420,243.50 = 168,562.58 : x
  2. Step 2: Convert to fraction form
    304,528.50/420,243.50 = 168,562.58/x
  3. Step 3: Cross multiply
    304,528.50x = 420,243.50 × 168,562.58
  4. Step 4: Simplify right side
    304,528.50x = 70,837,328,588.23
  5. Step 5: Solve for x
    x = 70,837,328,588.23/304,528.50
  6. Step 6: Final answer
    x = 232,613.13

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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.