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Finding the Fourth Proportional to 896,268.80, 1,344,370.80 and 363,774.80

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Solution

The fourth proportional to 896,268.80, 1,344,370.80 and 363,774.80 is: 545,649.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,268.80 : 1,344,370.80 = 363,774.80 : x
  2. Step 2: Convert to fraction form
    896,268.80/1,344,370.80 = 363,774.80/x
  3. Step 3: Cross multiply
    896,268.80x = 1,344,370.80 × 363,774.80
  4. Step 4: Simplify right side
    896,268.80x = 489,048,218,895.84
  5. Step 5: Solve for x
    x = 489,048,218,895.84/896,268.80
  6. Step 6: Final answer
    x = 545,649.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.