Finding the Fourth Proportional to 466,303.80, 699,455.70 and 316,615.80
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Solution
The fourth proportional to 466,303.80, 699,455.70 and 316,615.80 is: 474,923.70
Step by Step Solution
- Step 1: Write the proportion equation
466,303.80 : 699,455.70 = 316,615.80 : x - Step 2: Convert to fraction form
466,303.80/699,455.70 = 316,615.80/x - Step 3: Cross multiply
466,303.80x = 699,455.70 × 316,615.80 - Step 4: Simplify right side
466,303.80x = 221,458,726,020.06 - Step 5: Solve for x
x = 221,458,726,020.06/466,303.80 - Step 6: Final answer
x = 474,923.70
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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.