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Finding the Fourth Proportional to 1,246,664, 1,870,307.04 and 360,200

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Solution

The fourth proportional to 1,246,664, 1,870,307.04 and 360,200 is: 540,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,246,664 : 1,870,307.04 = 360,200 : x
  2. Step 2: Convert to fraction form
    1,246,664/1,870,307.04 = 360,200/x
  3. Step 3: Cross multiply
    1,246,664x = 1,870,307.04 × 360,200
  4. Step 4: Simplify right side
    1,246,664x = 673,684,595,808
  5. Step 5: Solve for x
    x = 673,684,595,808/1,246,664
  6. Step 6: Final answer
    x = 540,389.87

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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.