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Finding the Fourth Proportional to 407,035.62, 610,348.50 and 238,596.12

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Solution

The fourth proportional to 407,035.62, 610,348.50 and 238,596.12 is: 357,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,035.62 : 610,348.50 = 238,596.12 : x
  2. Step 2: Convert to fraction form
    407,035.62/610,348.50 = 238,596.12/x
  3. Step 3: Cross multiply
    407,035.62x = 610,348.50 × 238,596.12
  4. Step 4: Simplify right side
    407,035.62x = 145,626,783,947.82
  5. Step 5: Solve for x
    x = 145,626,783,947.82/407,035.62
  6. Step 6: Final answer
    x = 357,774.05

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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.