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Finding the Fourth Proportional to 480,667.42, 663,325.35 and 265,822

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Solution

The fourth proportional to 480,667.42, 663,325.35 and 265,822 is: 366,836.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,667.42 : 663,325.35 = 265,822 : x
  2. Step 2: Convert to fraction form
    480,667.42/663,325.35 = 265,822/x
  3. Step 3: Cross multiply
    480,667.42x = 663,325.35 × 265,822
  4. Step 4: Simplify right side
    480,667.42x = 176,326,471,187.70
  5. Step 5: Solve for x
    x = 176,326,471,187.70/480,667.42
  6. Step 6: Final answer
    x = 366,836.74

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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.