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Finding the Fourth Proportional to 957,640, 1,436,460 and 366,664

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Solution

The fourth proportional to 957,640, 1,436,460 and 366,664 is: 549,996

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,640 : 1,436,460 = 366,664 : x
  2. Step 2: Convert to fraction form
    957,640/1,436,460 = 366,664/x
  3. Step 3: Cross multiply
    957,640x = 1,436,460 × 366,664
  4. Step 4: Simplify right side
    957,640x = 526,698,169,440
  5. Step 5: Solve for x
    x = 526,698,169,440/957,640
  6. Step 6: Final answer
    x = 549,996

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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.