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Finding the Fourth Proportional to 359,564.91, 495,990.06 and 230,457.39

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Solution

The fourth proportional to 359,564.91, 495,990.06 and 230,457.39 is: 317,896.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,564.91 : 495,990.06 = 230,457.39 : x
  2. Step 2: Convert to fraction form
    359,564.91/495,990.06 = 230,457.39/x
  3. Step 3: Cross multiply
    359,564.91x = 495,990.06 × 230,457.39
  4. Step 4: Simplify right side
    359,564.91x = 114,304,574,693.54
  5. Step 5: Solve for x
    x = 114,304,574,693.54/359,564.91
  6. Step 6: Final answer
    x = 317,896.91

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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.