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Finding the Fourth Proportional to 366,548.80, 549,823.20 and 354,301.60

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Solution

The fourth proportional to 366,548.80, 549,823.20 and 354,301.60 is: 531,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,548.80 : 549,823.20 = 354,301.60 : x
  2. Step 2: Convert to fraction form
    366,548.80/549,823.20 = 354,301.60/x
  3. Step 3: Cross multiply
    366,548.80x = 549,823.20 × 354,301.60
  4. Step 4: Simplify right side
    366,548.80x = 194,803,239,477.12
  5. Step 5: Solve for x
    x = 194,803,239,477.12/366,548.80
  6. Step 6: Final answer
    x = 531,452.40

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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.