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Finding the Fourth Proportional to 346,530.60, 519,204.22 and 188,476.84

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Solution

The fourth proportional to 346,530.60, 519,204.22 and 188,476.84 is: 282,393.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,530.60 : 519,204.22 = 188,476.84 : x
  2. Step 2: Convert to fraction form
    346,530.60/519,204.22 = 188,476.84/x
  3. Step 3: Cross multiply
    346,530.60x = 519,204.22 × 188,476.84
  4. Step 4: Simplify right side
    346,530.60x = 97,857,970,700.26
  5. Step 5: Solve for x
    x = 97,857,970,700.26/346,530.60
  6. Step 6: Final answer
    x = 282,393.45

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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.