Finding the Fourth Proportional to 531,210.75, 733,070.85 and 292,746.75
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Solution
The fourth proportional to 531,210.75, 733,070.85 and 292,746.75 is: 403,990.52
Step by Step Solution
- Step 1: Write the proportion equation
531,210.75 : 733,070.85 = 292,746.75 : x - Step 2: Convert to fraction form
531,210.75/733,070.85 = 292,746.75/x - Step 3: Cross multiply
531,210.75x = 733,070.85 × 292,746.75 - Step 4: Simplify right side
531,210.75x = 214,604,108,857.24 - Step 5: Solve for x
x = 214,604,108,857.24/531,210.75 - Step 6: Final answer
x = 403,990.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.