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Finding the Fourth Proportional to 346,656, 519,918.24 and 168,984.32

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Solution

The fourth proportional to 346,656, 519,918.24 and 168,984.32 is: 253,444.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,656 : 519,918.24 = 168,984.32 : x
  2. Step 2: Convert to fraction form
    346,656/519,918.24 = 168,984.32/x
  3. Step 3: Cross multiply
    346,656x = 519,918.24 × 168,984.32
  4. Step 4: Simplify right side
    346,656x = 87,858,030,242.00
  5. Step 5: Solve for x
    x = 87,858,030,242.00/346,656
  6. Step 6: Final answer
    x = 253,444.42

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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.