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Finding the Fourth Proportional to 454,653, 627,636.33 and 263,596.68

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Solution

The fourth proportional to 454,653, 627,636.33 and 263,596.68 is: 363,888.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,653 : 627,636.33 = 263,596.68 : x
  2. Step 2: Convert to fraction form
    454,653/627,636.33 = 263,596.68/x
  3. Step 3: Cross multiply
    454,653x = 627,636.33 × 263,596.68
  4. Step 4: Simplify right side
    454,653x = 165,442,852,835.38
  5. Step 5: Solve for x
    x = 165,442,852,835.38/454,653
  6. Step 6: Final answer
    x = 363,888.18

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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.