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Finding the Fourth Proportional to 454,265.69, 626,886.67 and 263,389.80

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Solution

The fourth proportional to 454,265.69, 626,886.67 and 263,389.80 is: 363,477.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,265.69 : 626,886.67 = 263,389.80 : x
  2. Step 2: Convert to fraction form
    454,265.69/626,886.67 = 263,389.80/x
  3. Step 3: Cross multiply
    454,265.69x = 626,886.67 × 263,389.80
  4. Step 4: Simplify right side
    454,265.69x = 165,115,552,408.28
  5. Step 5: Solve for x
    x = 165,115,552,408.28/454,265.69
  6. Step 6: Final answer
    x = 363,477.93

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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.