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Finding the Fourth Proportional to 963,790.80, 1,444,649.40 and 364,520.40

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Solution

The fourth proportional to 963,790.80, 1,444,649.40 and 364,520.40 is: 546,388.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,790.80 : 1,444,649.40 = 364,520.40 : x
  2. Step 2: Convert to fraction form
    963,790.80/1,444,649.40 = 364,520.40/x
  3. Step 3: Cross multiply
    963,790.80x = 1,444,649.40 × 364,520.40
  4. Step 4: Simplify right side
    963,790.80x = 526,604,177,147.76
  5. Step 5: Solve for x
    x = 526,604,177,147.76/963,790.80
  6. Step 6: Final answer
    x = 546,388.47

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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.