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Finding the Fourth Proportional to 346,435.20, 519,393.60 and 188,841.60

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Solution

The fourth proportional to 346,435.20, 519,393.60 and 188,841.60 is: 283,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,435.20 : 519,393.60 = 188,841.60 : x
  2. Step 2: Convert to fraction form
    346,435.20/519,393.60 = 188,841.60/x
  3. Step 3: Cross multiply
    346,435.20x = 519,393.60 × 188,841.60
  4. Step 4: Simplify right side
    346,435.20x = 98,083,118,453.76
  5. Step 5: Solve for x
    x = 98,083,118,453.76/346,435.20
  6. Step 6: Final answer
    x = 283,121.11

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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.