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Finding the Fourth Proportional to 440,500.50, 607,839.12 and 259,172.58

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Solution

The fourth proportional to 440,500.50, 607,839.12 and 259,172.58 is: 357,627.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,500.50 : 607,839.12 = 259,172.58 : x
  2. Step 2: Convert to fraction form
    440,500.50/607,839.12 = 259,172.58/x
  3. Step 3: Cross multiply
    440,500.50x = 607,839.12 × 259,172.58
  4. Step 4: Simplify right side
    440,500.50x = 157,535,232,955.33
  5. Step 5: Solve for x
    x = 157,535,232,955.33/440,500.50
  6. Step 6: Final answer
    x = 357,627.82

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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.