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Finding the Fourth Proportional to 995,643.60, 1,494,048.60 and 364,621.20

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Solution

The fourth proportional to 995,643.60, 1,494,048.60 and 364,621.20 is: 547,145.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,643.60 : 1,494,048.60 = 364,621.20 : x
  2. Step 2: Convert to fraction form
    995,643.60/1,494,048.60 = 364,621.20/x
  3. Step 3: Cross multiply
    995,643.60x = 1,494,048.60 × 364,621.20
  4. Step 4: Simplify right side
    995,643.60x = 544,761,793,390.32
  5. Step 5: Solve for x
    x = 544,761,793,390.32/995,643.60
  6. Step 6: Final answer
    x = 547,145.38

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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.