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Finding the Fourth Proportional to 895,178, 1,342,767.36 and 296,139.12

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Solution

The fourth proportional to 895,178, 1,342,767.36 and 296,139.12 is: 444,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,178 : 1,342,767.36 = 296,139.12 : x
  2. Step 2: Convert to fraction form
    895,178/1,342,767.36 = 296,139.12/x
  3. Step 3: Cross multiply
    895,178x = 1,342,767.36 × 296,139.12
  4. Step 4: Simplify right side
    895,178x = 397,645,944,355.12
  5. Step 5: Solve for x
    x = 397,645,944,355.12/895,178
  6. Step 6: Final answer
    x = 444,208.80

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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.