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Finding the Fourth Proportional to 366,644.20, 549,966.30 and 303,658.60

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Solution

The fourth proportional to 366,644.20, 549,966.30 and 303,658.60 is: 455,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,644.20 : 549,966.30 = 303,658.60 : x
  2. Step 2: Convert to fraction form
    366,644.20/549,966.30 = 303,658.60/x
  3. Step 3: Cross multiply
    366,644.20x = 549,966.30 × 303,658.60
  4. Step 4: Simplify right side
    366,644.20x = 167,001,996,705.18
  5. Step 5: Solve for x
    x = 167,001,996,705.18/366,644.20
  6. Step 6: Final answer
    x = 455,487.90

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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.