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Finding the Fourth Proportional to 495,434.51, 683,703.11 and 269,080.01

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Solution

The fourth proportional to 495,434.51, 683,703.11 and 269,080.01 is: 371,332.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,434.51 : 683,703.11 = 269,080.01 : x
  2. Step 2: Convert to fraction form
    495,434.51/683,703.11 = 269,080.01/x
  3. Step 3: Cross multiply
    495,434.51x = 683,703.11 × 269,080.01
  4. Step 4: Simplify right side
    495,434.51x = 183,970,839,675.83
  5. Step 5: Solve for x
    x = 183,970,839,675.83/495,434.51
  6. Step 6: Final answer
    x = 371,332.31

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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.