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Finding the Fourth Proportional to 618,049.16, 852,837.38 and 346,079.24

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Solution

The fourth proportional to 618,049.16, 852,837.38 and 346,079.24 is: 477,549.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,049.16 : 852,837.38 = 346,079.24 : x
  2. Step 2: Convert to fraction form
    618,049.16/852,837.38 = 346,079.24/x
  3. Step 3: Cross multiply
    618,049.16x = 852,837.38 × 346,079.24
  4. Step 4: Simplify right side
    618,049.16x = 295,149,312,313.99
  5. Step 5: Solve for x
    x = 295,149,312,313.99/618,049.16
  6. Step 6: Final answer
    x = 477,549.90

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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.