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Finding the Fourth Proportional to 434,858.76, 599,549.58 and 281,626.20

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Solution

The fourth proportional to 434,858.76, 599,549.58 and 281,626.20 is: 388,284.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,858.76 : 599,549.58 = 281,626.20 : x
  2. Step 2: Convert to fraction form
    434,858.76/599,549.58 = 281,626.20/x
  3. Step 3: Cross multiply
    434,858.76x = 599,549.58 × 281,626.20
  4. Step 4: Simplify right side
    434,858.76x = 168,848,869,927.00
  5. Step 5: Solve for x
    x = 168,848,869,927.00/434,858.76
  6. Step 6: Final answer
    x = 388,284.39

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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.