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Finding the Fourth Proportional to 529,712.40, 794,568.60 and 370,280.10

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Solution

The fourth proportional to 529,712.40, 794,568.60 and 370,280.10 is: 555,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,712.40 : 794,568.60 = 370,280.10 : x
  2. Step 2: Convert to fraction form
    529,712.40/794,568.60 = 370,280.10/x
  3. Step 3: Cross multiply
    529,712.40x = 794,568.60 × 370,280.10
  4. Step 4: Simplify right side
    529,712.40x = 294,212,940,664.86
  5. Step 5: Solve for x
    x = 294,212,940,664.86/529,712.40
  6. Step 6: Final answer
    x = 555,420.15

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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.