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Finding the Fourth Proportional to 658,774.44, 909,101.15 and 356,968.44

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Solution

The fourth proportional to 658,774.44, 909,101.15 and 356,968.44 is: 492,612.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,774.44 : 909,101.15 = 356,968.44 : x
  2. Step 2: Convert to fraction form
    658,774.44/909,101.15 = 356,968.44/x
  3. Step 3: Cross multiply
    658,774.44x = 909,101.15 × 356,968.44
  4. Step 4: Simplify right side
    658,774.44x = 324,520,417,532.86
  5. Step 5: Solve for x
    x = 324,520,417,532.86/658,774.44
  6. Step 6: Final answer
    x = 492,612.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.