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Finding the Fourth Proportional to 437,746.60, 656,109.60 and 201,113.20

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Solution

The fourth proportional to 437,746.60, 656,109.60 and 201,113.20 is: 301,435.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,746.60 : 656,109.60 = 201,113.20 : x
  2. Step 2: Convert to fraction form
    437,746.60/656,109.60 = 201,113.20/x
  3. Step 3: Cross multiply
    437,746.60x = 656,109.60 × 201,113.20
  4. Step 4: Simplify right side
    437,746.60x = 131,952,301,206.72
  5. Step 5: Solve for x
    x = 131,952,301,206.72/437,746.60
  6. Step 6: Final answer
    x = 301,435.35

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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.