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Finding the Fourth Proportional to 706,310.96, 974,704.24 and 384,021.20

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Solution

The fourth proportional to 706,310.96, 974,704.24 and 384,021.20 is: 529,946.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,310.96 : 974,704.24 = 384,021.20 : x
  2. Step 2: Convert to fraction form
    706,310.96/974,704.24 = 384,021.20/x
  3. Step 3: Cross multiply
    706,310.96x = 974,704.24 × 384,021.20
  4. Step 4: Simplify right side
    706,310.96x = 374,307,091,889.89
  5. Step 5: Solve for x
    x = 374,307,091,889.89/706,310.96
  6. Step 6: Final answer
    x = 529,946.60

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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.