Finding the Fourth Proportional to 545,903.28, 818,854.92 and 213,246
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Solution
The fourth proportional to 545,903.28, 818,854.92 and 213,246 is: 319,869
Step by Step Solution
- Step 1: Write the proportion equation
545,903.28 : 818,854.92 = 213,246 : x - Step 2: Convert to fraction form
545,903.28/818,854.92 = 213,246/x - Step 3: Cross multiply
545,903.28x = 818,854.92 × 213,246 - Step 4: Simplify right side
545,903.28x = 174,617,536,270.32 - Step 5: Solve for x
x = 174,617,536,270.32/545,903.28 - Step 6: Final answer
x = 319,869
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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.