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Finding the Fourth Proportional to 607,028.40, 910,542.60 and 207,536.40

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Solution

The fourth proportional to 607,028.40, 910,542.60 and 207,536.40 is: 311,304.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,028.40 : 910,542.60 = 207,536.40 : x
  2. Step 2: Convert to fraction form
    607,028.40/910,542.60 = 207,536.40/x
  3. Step 3: Cross multiply
    607,028.40x = 910,542.60 × 207,536.40
  4. Step 4: Simplify right side
    607,028.40x = 188,970,733,250.64
  5. Step 5: Solve for x
    x = 188,970,733,250.64/607,028.40
  6. Step 6: Final answer
    x = 311,304.60

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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.