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Finding the Fourth Proportional to 545,892.60, 819,683.70 and 297,060.60

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Solution

The fourth proportional to 545,892.60, 819,683.70 and 297,060.60 is: 446,050.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,892.60 : 819,683.70 = 297,060.60 : x
  2. Step 2: Convert to fraction form
    545,892.60/819,683.70 = 297,060.60/x
  3. Step 3: Cross multiply
    545,892.60x = 819,683.70 × 297,060.60
  4. Step 4: Simplify right side
    545,892.60x = 243,495,731,732.22
  5. Step 5: Solve for x
    x = 243,495,731,732.22/545,892.60
  6. Step 6: Final answer
    x = 446,050.62

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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.