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Finding the Fourth Proportional to 365,087.10, 547,630.65 and 264,776.70

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Solution

The fourth proportional to 365,087.10, 547,630.65 and 264,776.70 is: 397,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,087.10 : 547,630.65 = 264,776.70 : x
  2. Step 2: Convert to fraction form
    365,087.10/547,630.65 = 264,776.70/x
  3. Step 3: Cross multiply
    365,087.10x = 547,630.65 × 264,776.70
  4. Step 4: Simplify right side
    365,087.10x = 144,999,836,325.86
  5. Step 5: Solve for x
    x = 144,999,836,325.86/365,087.10
  6. Step 6: Final answer
    x = 397,165.05

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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.