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Finding the Fourth Proportional to 613,647.16, 920,162.57 and 357,562.42

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Solution

The fourth proportional to 613,647.16, 920,162.57 and 357,562.42 is: 536,164.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,647.16 : 920,162.57 = 357,562.42 : x
  2. Step 2: Convert to fraction form
    613,647.16/920,162.57 = 357,562.42/x
  3. Step 3: Cross multiply
    613,647.16x = 920,162.57 × 357,562.42
  4. Step 4: Simplify right side
    613,647.16x = 329,015,551,234.40
  5. Step 5: Solve for x
    x = 329,015,551,234.40/613,647.16
  6. Step 6: Final answer
    x = 536,164.06

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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.