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Finding the Fourth Proportional to 346,483.92, 519,307.32 and 168,724.56

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Solution

The fourth proportional to 346,483.92, 519,307.32 and 168,724.56 is: 252,883.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,483.92 : 519,307.32 = 168,724.56 : x
  2. Step 2: Convert to fraction form
    346,483.92/519,307.32 = 168,724.56/x
  3. Step 3: Cross multiply
    346,483.92x = 519,307.32 × 168,724.56
  4. Step 4: Simplify right side
    346,483.92x = 87,619,899,071.78
  5. Step 5: Solve for x
    x = 87,619,899,071.78/346,483.92
  6. Step 6: Final answer
    x = 252,883.02

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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.