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Finding the Fourth Proportional to 484,210.51, 668,215.60 and 266,422.03

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Solution

The fourth proportional to 484,210.51, 668,215.60 and 266,422.03 is: 367,665.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,210.51 : 668,215.60 = 266,422.03 : x
  2. Step 2: Convert to fraction form
    484,210.51/668,215.60 = 266,422.03/x
  3. Step 3: Cross multiply
    484,210.51x = 668,215.60 × 266,422.03
  4. Step 4: Simplify right side
    484,210.51x = 178,027,354,293.07
  5. Step 5: Solve for x
    x = 178,027,354,293.07/484,210.51
  6. Step 6: Final answer
    x = 367,665.20

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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.