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Finding the Fourth Proportional to 546,610.60, 819,915.90 and 525,615.40

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Solution

The fourth proportional to 546,610.60, 819,915.90 and 525,615.40 is: 788,423.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,610.60 : 819,915.90 = 525,615.40 : x
  2. Step 2: Convert to fraction form
    546,610.60/819,915.90 = 525,615.40/x
  3. Step 3: Cross multiply
    546,610.60x = 819,915.90 × 525,615.40
  4. Step 4: Simplify right side
    546,610.60x = 430,960,423,744.86
  5. Step 5: Solve for x
    x = 430,960,423,744.86/546,610.60
  6. Step 6: Final answer
    x = 788,423.10

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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.