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Finding the Fourth Proportional to 348,859.60, 523,903.80 and 337,800.40

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Solution

The fourth proportional to 348,859.60, 523,903.80 and 337,800.40 is: 507,295.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,859.60 : 523,903.80 = 337,800.40 : x
  2. Step 2: Convert to fraction form
    348,859.60/523,903.80 = 337,800.40/x
  3. Step 3: Cross multiply
    348,859.60x = 523,903.80 × 337,800.40
  4. Step 4: Simplify right side
    348,859.60x = 176,974,913,201.52
  5. Step 5: Solve for x
    x = 176,974,913,201.52/348,859.60
  6. Step 6: Final answer
    x = 507,295.52

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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.