Finding the Fourth Proportional to 586,840.60, 880,587.88 and 316,963.28
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Solution
The fourth proportional to 586,840.60, 880,587.88 and 316,963.28 is: 475,621.53
Step by Step Solution
- Step 1: Write the proportion equation
586,840.60 : 880,587.88 = 316,963.28 : x - Step 2: Convert to fraction form
586,840.60/880,587.88 = 316,963.28/x - Step 3: Cross multiply
586,840.60x = 880,587.88 × 316,963.28 - Step 4: Simplify right side
586,840.60x = 279,114,022,773.05 - Step 5: Solve for x
x = 279,114,022,773.05/586,840.60 - Step 6: Final answer
x = 475,621.53
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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.