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Finding the Fourth Proportional to 618,086.16, 852,888.42 and 346,116.24

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Solution

The fourth proportional to 618,086.16, 852,888.42 and 346,116.24 is: 477,600.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,086.16 : 852,888.42 = 346,116.24 : x
  2. Step 2: Convert to fraction form
    618,086.16/852,888.42 = 346,116.24/x
  3. Step 3: Cross multiply
    618,086.16x = 852,888.42 × 346,116.24
  4. Step 4: Simplify right side
    618,086.16x = 295,198,533,069.94
  5. Step 5: Solve for x
    x = 295,198,533,069.94/618,086.16
  6. Step 6: Final answer
    x = 477,600.94

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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.