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Finding the Fourth Proportional to 366,448.40, 549,672.60 and 303,462.80

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Solution

The fourth proportional to 366,448.40, 549,672.60 and 303,462.80 is: 455,194.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,448.40 : 549,672.60 = 303,462.80 : x
  2. Step 2: Convert to fraction form
    366,448.40/549,672.60 = 303,462.80/x
  3. Step 3: Cross multiply
    366,448.40x = 549,672.60 × 303,462.80
  4. Step 4: Simplify right side
    366,448.40x = 166,805,186,279.28
  5. Step 5: Solve for x
    x = 166,805,186,279.28/366,448.40
  6. Step 6: Final answer
    x = 455,194.20

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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.