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Finding the Fourth Proportional to 346,231.48, 519,404.64 and 121,533.64

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Solution

The fourth proportional to 346,231.48, 519,404.64 and 121,533.64 is: 182,320.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,231.48 : 519,404.64 = 121,533.64 : x
  2. Step 2: Convert to fraction form
    346,231.48/519,404.64 = 121,533.64/x
  3. Step 3: Cross multiply
    346,231.48x = 519,404.64 × 121,533.64
  4. Step 4: Simplify right side
    346,231.48x = 63,125,136,532.09
  5. Step 5: Solve for x
    x = 63,125,136,532.09/346,231.48
  6. Step 6: Final answer
    x = 182,320.62

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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.