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Finding the Fourth Proportional to 439,232.64, 606,124.80 and 238,024.32

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Solution

The fourth proportional to 439,232.64, 606,124.80 and 238,024.32 is: 328,464.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,232.64 : 606,124.80 = 238,024.32 : x
  2. Step 2: Convert to fraction form
    439,232.64/606,124.80 = 238,024.32/x
  3. Step 3: Cross multiply
    439,232.64x = 606,124.80 × 238,024.32
  4. Step 4: Simplify right side
    439,232.64x = 144,272,443,355.14
  5. Step 5: Solve for x
    x = 144,272,443,355.14/439,232.64
  6. Step 6: Final answer
    x = 328,464.76

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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.