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Finding the Fourth Proportional to 417,525.40, 576,213.54 and 236,237.32

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Solution

The fourth proportional to 417,525.40, 576,213.54 and 236,237.32 is: 326,023.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,525.40 : 576,213.54 = 236,237.32 : x
  2. Step 2: Convert to fraction form
    417,525.40/576,213.54 = 236,237.32/x
  3. Step 3: Cross multiply
    417,525.40x = 576,213.54 × 236,237.32
  4. Step 4: Simplify right side
    417,525.40x = 136,123,142,437.31
  5. Step 5: Solve for x
    x = 136,123,142,437.31/417,525.40
  6. Step 6: Final answer
    x = 326,023.62

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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.