Finding the Fourth Proportional to 553,169.70, 828,442.35 and 553,169.70
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Solution
The fourth proportional to 553,169.70, 828,442.35 and 553,169.70 is: 828,442.35
Step by Step Solution
- Step 1: Write the proportion equation
553,169.70 : 828,442.35 = 553,169.70 : x - Step 2: Convert to fraction form
553,169.70/828,442.35 = 553,169.70/x - Step 3: Cross multiply
553,169.70x = 828,442.35 × 553,169.70 - Step 4: Simplify right side
553,169.70x = 458,269,206,216.80 - Step 5: Solve for x
x = 458,269,206,216.80/553,169.70 - Step 6: Final answer
x = 828,442.35
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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.