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Finding the Fourth Proportional to 480,830.54, 663,537.94 and 265,970.42

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Solution

The fourth proportional to 480,830.54, 663,537.94 and 265,970.42 is: 367,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,830.54 : 663,537.94 = 265,970.42 : x
  2. Step 2: Convert to fraction form
    480,830.54/663,537.94 = 265,970.42/x
  3. Step 3: Cross multiply
    480,830.54x = 663,537.94 × 265,970.42
  4. Step 4: Simplify right side
    480,830.54x = 176,481,464,587.74
  5. Step 5: Solve for x
    x = 176,481,464,587.74/480,830.54
  6. Step 6: Final answer
    x = 367,034.64

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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.