Finding the Fourth Proportional to 592,963.12, 818,283.14 and 321,023.80
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Solution
The fourth proportional to 592,963.12, 818,283.14 and 321,023.80 is: 443,009.61
Step by Step Solution
- Step 1: Write the proportion equation
592,963.12 : 818,283.14 = 321,023.80 : x - Step 2: Convert to fraction form
592,963.12/818,283.14 = 321,023.80/x - Step 3: Cross multiply
592,963.12x = 818,283.14 × 321,023.80 - Step 4: Simplify right side
592,963.12x = 262,688,363,078.73 - Step 5: Solve for x
x = 262,688,363,078.73/592,963.12 - Step 6: Final answer
x = 443,009.61
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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.