Finding the Fourth Proportional to 546,301.09, 753,950.58 and 316,928.53
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Solution
The fourth proportional to 546,301.09, 753,950.58 and 316,928.53 is: 437,393.32
Step by Step Solution
- Step 1: Write the proportion equation
546,301.09 : 753,950.58 = 316,928.53 : x - Step 2: Convert to fraction form
546,301.09/753,950.58 = 316,928.53/x - Step 3: Cross multiply
546,301.09x = 753,950.58 × 316,928.53 - Step 4: Simplify right side
546,301.09x = 238,948,447,127.17 - Step 5: Solve for x
x = 238,948,447,127.17/546,301.09 - Step 6: Final answer
x = 437,393.32
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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.