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Finding the Fourth Proportional to 501,356.46, 752,512.19 and 311,241.45

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Solution

The fourth proportional to 501,356.46, 752,512.19 and 311,241.45 is: 467,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,356.46 : 752,512.19 = 311,241.45 : x
  2. Step 2: Convert to fraction form
    501,356.46/752,512.19 = 311,241.45/x
  3. Step 3: Cross multiply
    501,356.46x = 752,512.19 × 311,241.45
  4. Step 4: Simplify right side
    501,356.46x = 234,212,983,602.07
  5. Step 5: Solve for x
    x = 234,212,983,602.07/501,356.46
  6. Step 6: Final answer
    x = 467,158.60

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1.5x scale

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.