Finding the Fourth Proportional to 692,898.75, 956,203.16 and 374,946.75
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Solution
The fourth proportional to 692,898.75, 956,203.16 and 374,946.75 is: 517,428.07
Step by Step Solution
- Step 1: Write the proportion equation
692,898.75 : 956,203.16 = 374,946.75 : x - Step 2: Convert to fraction form
692,898.75/956,203.16 = 374,946.75/x - Step 3: Cross multiply
692,898.75x = 956,203.16 × 374,946.75 - Step 4: Simplify right side
692,898.75x = 358,525,265,307.00 - Step 5: Solve for x
x = 358,525,265,307.00/692,898.75 - Step 6: Final answer
x = 517,428.07
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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.