Finding the Fourth Proportional to 1,020,023.28, 1,530,017.64 and 355,158
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Solution
The fourth proportional to 1,020,023.28, 1,530,017.64 and 355,158 is: 532,730.98
Step by Step Solution
- Step 1: Write the proportion equation
1,020,023.28 : 1,530,017.64 = 355,158 : x - Step 2: Convert to fraction form
1,020,023.28/1,530,017.64 = 355,158/x - Step 3: Cross multiply
1,020,023.28x = 1,530,017.64 × 355,158 - Step 4: Simplify right side
1,020,023.28x = 543,398,004,987.12 - Step 5: Solve for x
x = 543,398,004,987.12/1,020,023.28 - Step 6: Final answer
x = 532,730.98
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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.