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Finding the Fourth Proportional to 366,314.40, 549,601.20 and 353,354.40

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Solution

The fourth proportional to 366,314.40, 549,601.20 and 353,354.40 is: 530,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,314.40 : 549,601.20 = 353,354.40 : x
  2. Step 2: Convert to fraction form
    366,314.40/549,601.20 = 353,354.40/x
  3. Step 3: Cross multiply
    366,314.40x = 549,601.20 × 353,354.40
  4. Step 4: Simplify right side
    366,314.40x = 194,204,002,265.28
  5. Step 5: Solve for x
    x = 194,204,002,265.28/366,314.40
  6. Step 6: Final answer
    x = 530,156.61

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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.