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Finding the Fourth Proportional to 480,618, 663,226.92 and 265,745.52

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Solution

The fourth proportional to 480,618, 663,226.92 and 265,745.52 is: 366,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,618 : 663,226.92 = 265,745.52 : x
  2. Step 2: Convert to fraction form
    480,618/663,226.92 = 265,745.52/x
  3. Step 3: Cross multiply
    480,618x = 663,226.92 × 265,745.52
  4. Step 4: Simplify right side
    480,618x = 176,249,582,733.40
  5. Step 5: Solve for x
    x = 176,249,582,733.40/480,618
  6. Step 6: Final answer
    x = 366,714.49

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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.