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Finding the Fourth Proportional to 901,882.16, 1,243,998 and 579,999.44

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Solution

The fourth proportional to 901,882.16, 1,243,998 and 579,999.44 is: 800,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,882.16 : 1,243,998 = 579,999.44 : x
  2. Step 2: Convert to fraction form
    901,882.16/1,243,998 = 579,999.44/x
  3. Step 3: Cross multiply
    901,882.16x = 1,243,998 × 579,999.44
  4. Step 4: Simplify right side
    901,882.16x = 721,518,143,361.12
  5. Step 5: Solve for x
    x = 721,518,143,361.12/901,882.16
  6. Step 6: Final answer
    x = 800,013.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.