Finding the Fourth Proportional to 533,439.01, 736,213.08 and 349,831.99
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Solution
The fourth proportional to 533,439.01, 736,213.08 and 349,831.99 is: 482,812.25
Step by Step Solution
- Step 1: Write the proportion equation
533,439.01 : 736,213.08 = 349,831.99 : x - Step 2: Convert to fraction form
533,439.01/736,213.08 = 349,831.99/x - Step 3: Cross multiply
533,439.01x = 736,213.08 × 349,831.99 - Step 4: Simplify right side
533,439.01x = 257,550,886,840.43 - Step 5: Solve for x
x = 257,550,886,840.43/533,439.01 - Step 6: Final answer
x = 482,812.25
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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.