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Finding the Fourth Proportional to 382,533.60, 576,665.40 and 356,843.64

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Solution

The fourth proportional to 382,533.60, 576,665.40 and 356,843.64 is: 537,938.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,533.60 : 576,665.40 = 356,843.64 : x
  2. Step 2: Convert to fraction form
    382,533.60/576,665.40 = 356,843.64/x
  3. Step 3: Cross multiply
    382,533.60x = 576,665.40 × 356,843.64
  4. Step 4: Simplify right side
    382,533.60x = 205,779,380,398.06
  5. Step 5: Solve for x
    x = 205,779,380,398.06/382,533.60
  6. Step 6: Final answer
    x = 537,938.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.