Finding the Fourth Proportional to 659,357.76, 909,913.70 and 357,552
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Solution
The fourth proportional to 659,357.76, 909,913.70 and 357,552 is: 493,421.76
Step by Step Solution
- Step 1: Write the proportion equation
659,357.76 : 909,913.70 = 357,552 : x - Step 2: Convert to fraction form
659,357.76/909,913.70 = 357,552/x - Step 3: Cross multiply
659,357.76x = 909,913.70 × 357,552 - Step 4: Simplify right side
659,357.76x = 325,341,463,262.40 - Step 5: Solve for x
x = 325,341,463,262.40/659,357.76 - Step 6: Final answer
x = 493,421.76
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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.