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Finding the Fourth Proportional to 888,907.76, 1,226,695.96 and 481,009.60

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Solution

The fourth proportional to 888,907.76, 1,226,695.96 and 481,009.60 is: 663,795.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,907.76 : 1,226,695.96 = 481,009.60 : x
  2. Step 2: Convert to fraction form
    888,907.76/1,226,695.96 = 481,009.60/x
  3. Step 3: Cross multiply
    888,907.76x = 1,226,695.96 × 481,009.60
  4. Step 4: Simplify right side
    888,907.76x = 590,052,533,041.22
  5. Step 5: Solve for x
    x = 590,052,533,041.22/888,907.76
  6. Step 6: Final answer
    x = 663,795.01

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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.