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Finding the Fourth Proportional to 366,445.70, 549,668.55 and 303,460.10

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Solution

The fourth proportional to 366,445.70, 549,668.55 and 303,460.10 is: 455,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,445.70 : 549,668.55 = 303,460.10 : x
  2. Step 2: Convert to fraction form
    366,445.70/549,668.55 = 303,460.10/x
  3. Step 3: Cross multiply
    366,445.70x = 549,668.55 × 303,460.10
  4. Step 4: Simplify right side
    366,445.70x = 166,802,473,149.86
  5. Step 5: Solve for x
    x = 166,802,473,149.86/366,445.70
  6. Step 6: Final answer
    x = 455,190.15

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Similar ratio
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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.