Finding the Fourth Proportional to 473,763.12, 710,644.68 and 236,867.28
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Solution
The fourth proportional to 473,763.12, 710,644.68 and 236,867.28 is: 355,300.92
Step by Step Solution
- Step 1: Write the proportion equation
473,763.12 : 710,644.68 = 236,867.28 : x - Step 2: Convert to fraction form
473,763.12/710,644.68 = 236,867.28/x - Step 3: Cross multiply
473,763.12x = 710,644.68 × 236,867.28 - Step 4: Simplify right side
473,763.12x = 168,328,472,398.07 - Step 5: Solve for x
x = 168,328,472,398.07/473,763.12 - Step 6: Final answer
x = 355,300.92
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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.