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Finding the Fourth Proportional to 459,525.90, 633,442.91 and 323,188.32

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Solution

The fourth proportional to 459,525.90, 633,442.91 and 323,188.32 is: 445,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,525.90 : 633,442.91 = 323,188.32 : x
  2. Step 2: Convert to fraction form
    459,525.90/633,442.91 = 323,188.32/x
  3. Step 3: Cross multiply
    459,525.90x = 633,442.91 × 323,188.32
  4. Step 4: Simplify right side
    459,525.90x = 204,721,348,282.87
  5. Step 5: Solve for x
    x = 204,721,348,282.87/459,525.90
  6. Step 6: Final answer
    x = 445,505.57

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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.