Finding the Fourth Proportional to 452,298, 678,758.07 and 156,810
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Solution
The fourth proportional to 452,298, 678,758.07 and 156,810 is: 235,322.85
Step by Step Solution
- Step 1: Write the proportion equation
452,298 : 678,758.07 = 156,810 : x - Step 2: Convert to fraction form
452,298/678,758.07 = 156,810/x - Step 3: Cross multiply
452,298x = 678,758.07 × 156,810 - Step 4: Simplify right side
452,298x = 106,436,052,956.70 - Step 5: Solve for x
x = 106,436,052,956.70/452,298 - Step 6: Final answer
x = 235,322.85
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.