Finding the Fourth Proportional to 473,075.08, 709,725.60 and 157,534.72
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Solution
The fourth proportional to 473,075.08, 709,725.60 and 157,534.72 is: 236,339.70
Step by Step Solution
- Step 1: Write the proportion equation
473,075.08 : 709,725.60 = 157,534.72 : x - Step 2: Convert to fraction form
473,075.08/709,725.60 = 157,534.72/x - Step 3: Cross multiply
473,075.08x = 709,725.60 × 157,534.72 - Step 4: Simplify right side
473,075.08x = 111,806,423,672.83 - Step 5: Solve for x
x = 111,806,423,672.83/473,075.08 - Step 6: Final answer
x = 236,339.70
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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.