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Finding the Fourth Proportional to 216,038.60, 324,057.90 and 201,276.35

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Solution

The fourth proportional to 216,038.60, 324,057.90 and 201,276.35 is: 301,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,038.60 : 324,057.90 = 201,276.35 : x
  2. Step 2: Convert to fraction form
    216,038.60/324,057.90 = 201,276.35/x
  3. Step 3: Cross multiply
    216,038.60x = 324,057.90 × 201,276.35
  4. Step 4: Simplify right side
    216,038.60x = 65,225,191,300.67
  5. Step 5: Solve for x
    x = 65,225,191,300.67/216,038.60
  6. Step 6: Final answer
    x = 301,914.53

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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.