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Finding the Fourth Proportional to 531,440.80, 797,627.76 and 295,050.40

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Solution

The fourth proportional to 531,440.80, 797,627.76 and 295,050.40 is: 442,834.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,440.80 : 797,627.76 = 295,050.40 : x
  2. Step 2: Convert to fraction form
    531,440.80/797,627.76 = 295,050.40/x
  3. Step 3: Cross multiply
    531,440.80x = 797,627.76 × 295,050.40
  4. Step 4: Simplify right side
    531,440.80x = 235,340,389,639.10
  5. Step 5: Solve for x
    x = 235,340,389,639.10/531,440.80
  6. Step 6: Final answer
    x = 442,834.63

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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.