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Finding the Fourth Proportional to 593,671.32, 890,516.70 and 172,970.28

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Solution

The fourth proportional to 593,671.32, 890,516.70 and 172,970.28 is: 259,458.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,671.32 : 890,516.70 = 172,970.28 : x
  2. Step 2: Convert to fraction form
    593,671.32/890,516.70 = 172,970.28/x
  3. Step 3: Cross multiply
    593,671.32x = 890,516.70 × 172,970.28
  4. Step 4: Simplify right side
    593,671.32x = 154,032,922,943.68
  5. Step 5: Solve for x
    x = 154,032,922,943.68/593,671.32
  6. Step 6: Final answer
    x = 259,458.25

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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.