Finding the Fourth Proportional to 475,032.64, 712,531.68 and 142,600
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Solution
The fourth proportional to 475,032.64, 712,531.68 and 142,600 is: 213,894.81
Step by Step Solution
- Step 1: Write the proportion equation
475,032.64 : 712,531.68 = 142,600 : x - Step 2: Convert to fraction form
475,032.64/712,531.68 = 142,600/x - Step 3: Cross multiply
475,032.64x = 712,531.68 × 142,600 - Step 4: Simplify right side
475,032.64x = 101,607,017,568 - Step 5: Solve for x
x = 101,607,017,568/475,032.64 - Step 6: Final answer
x = 213,894.81
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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.