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Finding the Fourth Proportional to 434,890.88, 600,153.60 and 243,900.20

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Solution

The fourth proportional to 434,890.88, 600,153.60 and 243,900.20 is: 336,584.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,890.88 : 600,153.60 = 243,900.20 : x
  2. Step 2: Convert to fraction form
    434,890.88/600,153.60 = 243,900.20/x
  3. Step 3: Cross multiply
    434,890.88x = 600,153.60 × 243,900.20
  4. Step 4: Simplify right side
    434,890.88x = 146,377,583,070.72
  5. Step 5: Solve for x
    x = 146,377,583,070.72/434,890.88
  6. Step 6: Final answer
    x = 336,584.62

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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.