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Finding the Fourth Proportional to 484,607.15, 668,752.93 and 266,808.95

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Solution

The fourth proportional to 484,607.15, 668,752.93 and 266,808.95 is: 368,193.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,607.15 : 668,752.93 = 266,808.95 : x
  2. Step 2: Convert to fraction form
    484,607.15/668,752.93 = 266,808.95/x
  3. Step 3: Cross multiply
    484,607.15x = 668,752.93 × 266,808.95
  4. Step 4: Simplify right side
    484,607.15x = 178,429,267,062.72
  5. Step 5: Solve for x
    x = 178,429,267,062.72/484,607.15
  6. Step 6: Final answer
    x = 368,193.63

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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.