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Finding the Fourth Proportional to 484,599.40, 668,742.24 and 266,801.20

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Solution

The fourth proportional to 484,599.40, 668,742.24 and 266,801.20 is: 368,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,599.40 : 668,742.24 = 266,801.20 : x
  2. Step 2: Convert to fraction form
    484,599.40/668,742.24 = 266,801.20/x
  3. Step 3: Cross multiply
    484,599.40x = 668,742.24 × 266,801.20
  4. Step 4: Simplify right side
    484,599.40x = 178,421,232,122.69
  5. Step 5: Solve for x
    x = 178,421,232,122.69/484,599.40
  6. Step 6: Final answer
    x = 368,182.94

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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.