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Finding the Fourth Proportional to 346,491.20, 519,477.60 and 188,897.60

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Solution

The fourth proportional to 346,491.20, 519,477.60 and 188,897.60 is: 283,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,491.20 : 519,477.60 = 188,897.60 : x
  2. Step 2: Convert to fraction form
    346,491.20/519,477.60 = 188,897.60/x
  3. Step 3: Cross multiply
    346,491.20x = 519,477.60 × 188,897.60
  4. Step 4: Simplify right side
    346,491.20x = 98,128,071,893.76
  5. Step 5: Solve for x
    x = 98,128,071,893.76/346,491.20
  6. Step 6: Final answer
    x = 283,205.09

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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.