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Finding the Fourth Proportional to 1,237,197, 1,855,795.50 and 303,309

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Solution

The fourth proportional to 1,237,197, 1,855,795.50 and 303,309 is: 454,963.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,197 : 1,855,795.50 = 303,309 : x
  2. Step 2: Convert to fraction form
    1,237,197/1,855,795.50 = 303,309/x
  3. Step 3: Cross multiply
    1,237,197x = 1,855,795.50 × 303,309
  4. Step 4: Simplify right side
    1,237,197x = 562,879,477,309.50
  5. Step 5: Solve for x
    x = 562,879,477,309.50/1,237,197
  6. Step 6: Final answer
    x = 454,963.50

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Double scale
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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.