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Finding the Fourth Proportional to 366,321.40, 549,611.70 and 353,361.40

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Solution

The fourth proportional to 366,321.40, 549,611.70 and 353,361.40 is: 530,167.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,321.40 : 549,611.70 = 353,361.40 : x
  2. Step 2: Convert to fraction form
    366,321.40/549,611.70 = 353,361.40/x
  3. Step 3: Cross multiply
    366,321.40x = 549,611.70 × 353,361.40
  4. Step 4: Simplify right side
    366,321.40x = 194,211,559,768.38
  5. Step 5: Solve for x
    x = 194,211,559,768.38/366,321.40
  6. Step 6: Final answer
    x = 530,167.11

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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.