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Finding the Fourth Proportional to 343,082.88, 473,420.16 and 192,176.64

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Solution

The fourth proportional to 343,082.88, 473,420.16 and 192,176.64 is: 265,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,082.88 : 473,420.16 = 192,176.64 : x
  2. Step 2: Convert to fraction form
    343,082.88/473,420.16 = 192,176.64/x
  3. Step 3: Cross multiply
    343,082.88x = 473,420.16 × 192,176.64
  4. Step 4: Simplify right side
    343,082.88x = 90,980,295,657.06
  5. Step 5: Solve for x
    x = 90,980,295,657.06/343,082.88
  6. Step 6: Final answer
    x = 265,184.60

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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.