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Finding the Fourth Proportional to 635,775.76, 953,664.46 and 162,461.58

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Solution

The fourth proportional to 635,775.76, 953,664.46 and 162,461.58 is: 243,692.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,775.76 : 953,664.46 = 162,461.58 : x
  2. Step 2: Convert to fraction form
    635,775.76/953,664.46 = 162,461.58/x
  3. Step 3: Cross multiply
    635,775.76x = 953,664.46 × 162,461.58
  4. Step 4: Simplify right side
    635,775.76x = 154,933,834,961.45
  5. Step 5: Solve for x
    x = 154,933,834,961.45/635,775.76
  6. Step 6: Final answer
    x = 243,692.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.