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Finding the Fourth Proportional to 581,360.22, 871,274.88 and 311,457.08

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Solution

The fourth proportional to 581,360.22, 871,274.88 and 311,457.08 is: 466,775.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,360.22 : 871,274.88 = 311,457.08 : x
  2. Step 2: Convert to fraction form
    581,360.22/871,274.88 = 311,457.08/x
  3. Step 3: Cross multiply
    581,360.22x = 871,274.88 × 311,457.08
  4. Step 4: Simplify right side
    581,360.22x = 271,364,732,180.34
  5. Step 5: Solve for x
    x = 271,364,732,180.34/581,360.22
  6. Step 6: Final answer
    x = 466,775.54

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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.