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Finding the Fourth Proportional to 346,053.80, 519,080.70 and 188,589.80

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Solution

The fourth proportional to 346,053.80, 519,080.70 and 188,589.80 is: 282,884.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,053.80 : 519,080.70 = 188,589.80 : x
  2. Step 2: Convert to fraction form
    346,053.80/519,080.70 = 188,589.80/x
  3. Step 3: Cross multiply
    346,053.80x = 519,080.70 × 188,589.80
  4. Step 4: Simplify right side
    346,053.80x = 97,893,325,396.86
  5. Step 5: Solve for x
    x = 97,893,325,396.86/346,053.80
  6. Step 6: Final answer
    x = 282,884.70

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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.