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Finding the Fourth Proportional to 576,340.84, 795,362.34 and 321,702.76

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Solution

The fourth proportional to 576,340.84, 795,362.34 and 321,702.76 is: 443,956.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,340.84 : 795,362.34 = 321,702.76 : x
  2. Step 2: Convert to fraction form
    576,340.84/795,362.34 = 321,702.76/x
  3. Step 3: Cross multiply
    576,340.84x = 795,362.34 × 321,702.76
  4. Step 4: Simplify right side
    576,340.84x = 255,870,259,978.06
  5. Step 5: Solve for x
    x = 255,870,259,978.06/576,340.84
  6. Step 6: Final answer
    x = 443,956.50

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1.5x scale

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.