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Finding the Fourth Proportional to 346,330.80, 519,496.20 and 188,866.80

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Solution

The fourth proportional to 346,330.80, 519,496.20 and 188,866.80 is: 283,300.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,330.80 : 519,496.20 = 188,866.80 : x
  2. Step 2: Convert to fraction form
    346,330.80/519,496.20 = 188,866.80/x
  3. Step 3: Cross multiply
    346,330.80x = 519,496.20 × 188,866.80
  4. Step 4: Simplify right side
    346,330.80x = 98,115,584,906.16
  5. Step 5: Solve for x
    x = 98,115,584,906.16/346,330.80
  6. Step 6: Final answer
    x = 283,300.20

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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.