Finding the Fourth Proportional to 624,656.25, 862,030.08 and 338,177.07
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Solution
The fourth proportional to 624,656.25, 862,030.08 and 338,177.07 is: 466,686.77
Step by Step Solution
- Step 1: Write the proportion equation
624,656.25 : 862,030.08 = 338,177.07 : x - Step 2: Convert to fraction form
624,656.25/862,030.08 = 338,177.07/x - Step 3: Cross multiply
624,656.25x = 862,030.08 × 338,177.07 - Step 4: Simplify right side
624,656.25x = 291,518,806,706.27 - Step 5: Solve for x
x = 291,518,806,706.27/624,656.25 - Step 6: Final answer
x = 466,686.77
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1.5x scale
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.