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Finding the Fourth Proportional to 546,915.21, 819,191.80 and 533,530.77

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Solution

The fourth proportional to 546,915.21, 819,191.80 and 533,530.77 is: 799,144.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,915.21 : 819,191.80 = 533,530.77 : x
  2. Step 2: Convert to fraction form
    546,915.21/819,191.80 = 533,530.77/x
  3. Step 3: Cross multiply
    546,915.21x = 819,191.80 × 533,530.77
  4. Step 4: Simplify right side
    546,915.21x = 437,064,031,831.69
  5. Step 5: Solve for x
    x = 437,064,031,831.69/546,915.21
  6. Step 6: Final answer
    x = 799,144.04

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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.