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Finding the Fourth Proportional to 346,483.20, 519,465.60 and 188,889.60

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Solution

The fourth proportional to 346,483.20, 519,465.60 and 188,889.60 is: 283,193.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,483.20 : 519,465.60 = 188,889.60 : x
  2. Step 2: Convert to fraction form
    346,483.20/519,465.60 = 188,889.60/x
  3. Step 3: Cross multiply
    346,483.20x = 519,465.60 × 188,889.60
  4. Step 4: Simplify right side
    346,483.20x = 98,121,649,397.76
  5. Step 5: Solve for x
    x = 98,121,649,397.76/346,483.20
  6. Step 6: Final answer
    x = 283,193.09

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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.