Finding the Fourth Proportional to 652,740.48, 900,789.12 and 362,371.68
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Solution
The fourth proportional to 652,740.48, 900,789.12 and 362,371.68 is: 500,076.95
Step by Step Solution
- Step 1: Write the proportion equation
652,740.48 : 900,789.12 = 362,371.68 : x - Step 2: Convert to fraction form
652,740.48/900,789.12 = 362,371.68/x - Step 3: Cross multiply
652,740.48x = 900,789.12 × 362,371.68 - Step 4: Simplify right side
652,740.48x = 326,420,466,740.12 - Step 5: Solve for x
x = 326,420,466,740.12/652,740.48 - Step 6: Final answer
x = 500,076.95
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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.