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Finding the Fourth Proportional to 706,025.45, 974,324.99 and 383,735.45

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Solution

The fourth proportional to 706,025.45, 974,324.99 and 383,735.45 is: 529,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,025.45 : 974,324.99 = 383,735.45 : x
  2. Step 2: Convert to fraction form
    706,025.45/974,324.99 = 383,735.45/x
  3. Step 3: Cross multiply
    706,025.45x = 974,324.99 × 383,735.45
  4. Step 4: Simplify right side
    706,025.45x = 373,883,038,483.90
  5. Step 5: Solve for x
    x = 373,883,038,483.90/706,025.45
  6. Step 6: Final answer
    x = 529,560.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.