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Finding the Fourth Proportional to 366,446.40, 549,669.60 and 303,460.80

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Solution

The fourth proportional to 366,446.40, 549,669.60 and 303,460.80 is: 455,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,446.40 : 549,669.60 = 303,460.80 : x
  2. Step 2: Convert to fraction form
    366,446.40/549,669.60 = 303,460.80/x
  3. Step 3: Cross multiply
    366,446.40x = 549,669.60 × 303,460.80
  4. Step 4: Simplify right side
    366,446.40x = 166,803,176,551.68
  5. Step 5: Solve for x
    x = 166,803,176,551.68/366,446.40
  6. Step 6: Final answer
    x = 455,191.20

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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.