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Finding the Fourth Proportional to 351,339.55, 526,211.17 and 274,962.22

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Solution

The fourth proportional to 351,339.55, 526,211.17 and 274,962.22 is: 411,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,339.55 : 526,211.17 = 274,962.22 : x
  2. Step 2: Convert to fraction form
    351,339.55/526,211.17 = 274,962.22/x
  3. Step 3: Cross multiply
    351,339.55x = 526,211.17 × 274,962.22
  4. Step 4: Simplify right side
    351,339.55x = 144,688,189,489.06
  5. Step 5: Solve for x
    x = 144,688,189,489.06/351,339.55
  6. Step 6: Final answer
    x = 411,818.68

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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.