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Finding the Fourth Proportional to 356,564.73, 533,641.55 and 346,969.34

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Solution

The fourth proportional to 356,564.73, 533,641.55 and 346,969.34 is: 519,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,564.73 : 533,641.55 = 346,969.34 : x
  2. Step 2: Convert to fraction form
    356,564.73/533,641.55 = 346,969.34/x
  3. Step 3: Cross multiply
    356,564.73x = 533,641.55 × 346,969.34
  4. Step 4: Simplify right side
    356,564.73x = 185,157,251,997.02
  5. Step 5: Solve for x
    x = 185,157,251,997.02/356,564.73
  6. Step 6: Final answer
    x = 519,280.89

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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.