Finding the Fourth Proportional to 473,156.55, 709,734.83 and 305,194.95
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Solution
The fourth proportional to 473,156.55, 709,734.83 and 305,194.95 is: 457,792.43
Step by Step Solution
- Step 1: Write the proportion equation
473,156.55 : 709,734.83 = 305,194.95 : x - Step 2: Convert to fraction form
473,156.55/709,734.83 = 305,194.95/x - Step 3: Cross multiply
473,156.55x = 709,734.83 × 305,194.95 - Step 4: Simplify right side
473,156.55x = 216,607,484,429.13 - Step 5: Solve for x
x = 216,607,484,429.13/473,156.55 - Step 6: Final answer
x = 457,792.43
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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.