Finding the Fourth Proportional to 474,657.24, 712,102.52 and 142,233.24
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Solution
The fourth proportional to 474,657.24, 712,102.52 and 142,233.24 is: 213,384.82
Step by Step Solution
- Step 1: Write the proportion equation
474,657.24 : 712,102.52 = 142,233.24 : x - Step 2: Convert to fraction form
474,657.24/712,102.52 = 142,233.24/x - Step 3: Cross multiply
474,657.24x = 712,102.52 × 142,233.24 - Step 4: Simplify right side
474,657.24x = 101,284,648,631.77 - Step 5: Solve for x
x = 101,284,648,631.77/474,657.24 - Step 6: Final answer
x = 213,384.82
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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.