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Finding the Fourth Proportional to 495,435.51, 683,704.49 and 269,081.01

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Solution

The fourth proportional to 495,435.51, 683,704.49 and 269,081.01 is: 371,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,435.51 : 683,704.49 = 269,081.01 : x
  2. Step 2: Convert to fraction form
    495,435.51/683,704.49 = 269,081.01/x
  3. Step 3: Cross multiply
    495,435.51x = 683,704.49 × 269,081.01
  4. Step 4: Simplify right side
    495,435.51x = 183,971,894,710.74
  5. Step 5: Solve for x
    x = 183,971,894,710.74/495,435.51
  6. Step 6: Final answer
    x = 371,333.69

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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.