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Finding the Fourth Proportional to 467,737.21, 645,477.39 and 252,877.21

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Solution

The fourth proportional to 467,737.21, 645,477.39 and 252,877.21 is: 348,970.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,737.21 : 645,477.39 = 252,877.21 : x
  2. Step 2: Convert to fraction form
    467,737.21/645,477.39 = 252,877.21/x
  3. Step 3: Cross multiply
    467,737.21x = 645,477.39 × 252,877.21
  4. Step 4: Simplify right side
    467,737.21x = 163,226,521,501.28
  5. Step 5: Solve for x
    x = 163,226,521,501.28/467,737.21
  6. Step 6: Final answer
    x = 348,970.57

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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.