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Finding the Fourth Proportional to 437,645.10, 656,467.65 and 248,688.30

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Solution

The fourth proportional to 437,645.10, 656,467.65 and 248,688.30 is: 373,032.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,645.10 : 656,467.65 = 248,688.30 : x
  2. Step 2: Convert to fraction form
    437,645.10/656,467.65 = 248,688.30/x
  3. Step 3: Cross multiply
    437,645.10x = 656,467.65 × 248,688.30
  4. Step 4: Simplify right side
    437,645.10x = 163,255,823,883.50
  5. Step 5: Solve for x
    x = 163,255,823,883.50/437,645.10
  6. Step 6: Final answer
    x = 373,032.45

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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.