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Finding the Fourth Proportional to 608,459.46, 912,690.78 and 248,630.34

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Solution

The fourth proportional to 608,459.46, 912,690.78 and 248,630.34 is: 372,946.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,459.46 : 912,690.78 = 248,630.34 : x
  2. Step 2: Convert to fraction form
    608,459.46/912,690.78 = 248,630.34/x
  3. Step 3: Cross multiply
    608,459.46x = 912,690.78 × 248,630.34
  4. Step 4: Simplify right side
    608,459.46x = 226,922,618,946.27
  5. Step 5: Solve for x
    x = 226,922,618,946.27/608,459.46
  6. Step 6: Final answer
    x = 372,946.16

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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.