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Finding the Fourth Proportional to 618,053.16, 852,842.88 and 346,083.24

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Solution

The fourth proportional to 618,053.16, 852,842.88 and 346,083.24 is: 477,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,053.16 : 852,842.88 = 346,083.24 : x
  2. Step 2: Convert to fraction form
    618,053.16/852,842.88 = 346,083.24/x
  3. Step 3: Cross multiply
    618,053.16x = 852,842.88 × 346,083.24
  4. Step 4: Simplify right side
    618,053.16x = 295,154,627,121.33
  5. Step 5: Solve for x
    x = 295,154,627,121.33/618,053.16
  6. Step 6: Final answer
    x = 477,555.40

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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.