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Finding the Fourth Proportional to 608,300.60, 912,450.90 and 165,068.60

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Solution

The fourth proportional to 608,300.60, 912,450.90 and 165,068.60 is: 247,602.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,300.60 : 912,450.90 = 165,068.60 : x
  2. Step 2: Convert to fraction form
    608,300.60/912,450.90 = 165,068.60/x
  3. Step 3: Cross multiply
    608,300.60x = 912,450.90 × 165,068.60
  4. Step 4: Simplify right side
    608,300.60x = 150,616,992,631.74
  5. Step 5: Solve for x
    x = 150,616,992,631.74/608,300.60
  6. Step 6: Final answer
    x = 247,602.90

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Similar ratio
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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.