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Finding the Fourth Proportional to 436,903.53, 602,805.06 and 281,789.19

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Solution

The fourth proportional to 436,903.53, 602,805.06 and 281,789.19 is: 388,790.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,903.53 : 602,805.06 = 281,789.19 : x
  2. Step 2: Convert to fraction form
    436,903.53/602,805.06 = 281,789.19/x
  3. Step 3: Cross multiply
    436,903.53x = 602,805.06 × 281,789.19
  4. Step 4: Simplify right side
    436,903.53x = 169,863,949,585.30
  5. Step 5: Solve for x
    x = 169,863,949,585.30/436,903.53
  6. Step 6: Final answer
    x = 388,790.52

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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.