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Finding the Fourth Proportional to 363,070.80, 544,606.20 and 346,741.20

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Solution

The fourth proportional to 363,070.80, 544,606.20 and 346,741.20 is: 520,111.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,070.80 : 544,606.20 = 346,741.20 : x
  2. Step 2: Convert to fraction form
    363,070.80/544,606.20 = 346,741.20/x
  3. Step 3: Cross multiply
    363,070.80x = 544,606.20 × 346,741.20
  4. Step 4: Simplify right side
    363,070.80x = 188,837,407,315.44
  5. Step 5: Solve for x
    x = 188,837,407,315.44/363,070.80
  6. Step 6: Final answer
    x = 520,111.80

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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.