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Finding the Fourth Proportional to 602,239.29, 903,072.78 and 349,597.23

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Solution

The fourth proportional to 602,239.29, 903,072.78 and 349,597.23 is: 524,229.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,239.29 : 903,072.78 = 349,597.23 : x
  2. Step 2: Convert to fraction form
    602,239.29/903,072.78 = 349,597.23/x
  3. Step 3: Cross multiply
    602,239.29x = 903,072.78 × 349,597.23
  4. Step 4: Simplify right side
    602,239.29x = 315,711,742,376.40
  5. Step 5: Solve for x
    x = 315,711,742,376.40/602,239.29
  6. Step 6: Final answer
    x = 524,229.73

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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.