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Finding the Fourth Proportional to 1,005,696, 1,509,491.94 and 366,617.70

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Solution

The fourth proportional to 1,005,696, 1,509,491.94 and 366,617.70 is: 550,272.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,696 : 1,509,491.94 = 366,617.70 : x
  2. Step 2: Convert to fraction form
    1,005,696/1,509,491.94 = 366,617.70/x
  3. Step 3: Cross multiply
    1,005,696x = 1,509,491.94 × 366,617.70
  4. Step 4: Simplify right side
    1,005,696x = 553,406,463,211.34
  5. Step 5: Solve for x
    x = 553,406,463,211.34/1,005,696
  6. Step 6: Final answer
    x = 550,272.11

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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.