Finding the Fourth Proportional to 1,249,381.53, 1,874,186.64 and 350,817.21
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Solution
The fourth proportional to 1,249,381.53, 1,874,186.64 and 350,817.21 is: 526,257.92
Step by Step Solution
- Step 1: Write the proportion equation
1,249,381.53 : 1,874,186.64 = 350,817.21 : x - Step 2: Convert to fraction form
1,249,381.53/1,874,186.64 = 350,817.21/x - Step 3: Cross multiply
1,249,381.53x = 1,874,186.64 × 350,817.21 - Step 4: Simplify right side
1,249,381.53x = 657,496,928,064.08 - Step 5: Solve for x
x = 657,496,928,064.08/1,249,381.53 - Step 6: Final answer
x = 526,257.92
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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.