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Finding the Fourth Proportional to 363,145.80, 544,718.70 and 346,816.20

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Solution

The fourth proportional to 363,145.80, 544,718.70 and 346,816.20 is: 520,224.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,145.80 : 544,718.70 = 346,816.20 : x
  2. Step 2: Convert to fraction form
    363,145.80/544,718.70 = 346,816.20/x
  3. Step 3: Cross multiply
    363,145.80x = 544,718.70 × 346,816.20
  4. Step 4: Simplify right side
    363,145.80x = 188,917,269,602.94
  5. Step 5: Solve for x
    x = 188,917,269,602.94/363,145.80
  6. Step 6: Final answer
    x = 520,224.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.