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Finding the Fourth Proportional to 484,518.39, 727,960.19 and 457,662.03

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Solution

The fourth proportional to 484,518.39, 727,960.19 and 457,662.03 is: 687,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,518.39 : 727,960.19 = 457,662.03 : x
  2. Step 2: Convert to fraction form
    484,518.39/727,960.19 = 457,662.03/x
  3. Step 3: Cross multiply
    484,518.39x = 727,960.19 × 457,662.03
  4. Step 4: Simplify right side
    484,518.39x = 333,159,736,026.28
  5. Step 5: Solve for x
    x = 333,159,736,026.28/484,518.39
  6. Step 6: Final answer
    x = 687,610.09

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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.