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Finding the Fourth Proportional to 383,580.52, 529,094.10 and 254,516.20

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Solution

The fourth proportional to 383,580.52, 529,094.10 and 254,516.20 is: 351,068.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,580.52 : 529,094.10 = 254,516.20 : x
  2. Step 2: Convert to fraction form
    383,580.52/529,094.10 = 254,516.20/x
  3. Step 3: Cross multiply
    383,580.52x = 529,094.10 × 254,516.20
  4. Step 4: Simplify right side
    383,580.52x = 134,663,019,774.42
  5. Step 5: Solve for x
    x = 134,663,019,774.42/383,580.52
  6. Step 6: Final answer
    x = 351,068.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.