Finding the Fourth Proportional to 474,281.43, 711,423.35 and 193,798.68
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Solution
The fourth proportional to 474,281.43, 711,423.35 and 193,798.68 is: 290,698.51
Step by Step Solution
- Step 1: Write the proportion equation
474,281.43 : 711,423.35 = 193,798.68 : x - Step 2: Convert to fraction form
474,281.43/711,423.35 = 193,798.68/x - Step 3: Cross multiply
474,281.43x = 711,423.35 × 193,798.68 - Step 4: Simplify right side
474,281.43x = 137,872,904,331.21 - Step 5: Solve for x
x = 137,872,904,331.21/474,281.43 - Step 6: Final answer
x = 290,698.51
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1.5x scale
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.