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Finding the Fourth Proportional to 559,380.54, 772,000.91 and 341,577.21

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Solution

The fourth proportional to 559,380.54, 772,000.91 and 341,577.21 is: 471,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,380.54 : 772,000.91 = 341,577.21 : x
  2. Step 2: Convert to fraction form
    559,380.54/772,000.91 = 341,577.21/x
  3. Step 3: Cross multiply
    559,380.54x = 772,000.91 × 341,577.21
  4. Step 4: Simplify right side
    559,380.54x = 263,697,915,247.38
  5. Step 5: Solve for x
    x = 263,697,915,247.38/559,380.54
  6. Step 6: Final answer
    x = 471,410.60

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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.