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Finding the Fourth Proportional to 419,505.27, 629,806.71 and 249,038.19

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Solution

The fourth proportional to 419,505.27, 629,806.71 and 249,038.19 is: 373,883.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,505.27 : 629,806.71 = 249,038.19 : x
  2. Step 2: Convert to fraction form
    419,505.27/629,806.71 = 249,038.19/x
  3. Step 3: Cross multiply
    419,505.27x = 629,806.71 × 249,038.19
  4. Step 4: Simplify right side
    419,505.27x = 156,845,923,108.26
  5. Step 5: Solve for x
    x = 156,845,923,108.26/419,505.27
  6. Step 6: Final answer
    x = 373,883.08

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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.