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Finding the Fourth Proportional to 307,328.90, 460,124.00 and 162,905.64

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Solution

The fourth proportional to 307,328.90, 460,124.00 and 162,905.64 is: 243,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,328.90 : 460,124.00 = 162,905.64 : x
  2. Step 2: Convert to fraction form
    307,328.90/460,124.00 = 162,905.64/x
  3. Step 3: Cross multiply
    307,328.90x = 460,124.00 × 162,905.64
  4. Step 4: Simplify right side
    307,328.90x = 74,956,795,106.62
  5. Step 5: Solve for x
    x = 74,956,795,106.62/307,328.90
  6. Step 6: Final answer
    x = 243,897.65

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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.