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Finding the Fourth Proportional to 706,024.45, 974,323.61 and 383,734.45

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Solution

The fourth proportional to 706,024.45, 974,323.61 and 383,734.45 is: 529,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,024.45 : 974,323.61 = 383,734.45 : x
  2. Step 2: Convert to fraction form
    706,024.45/974,323.61 = 383,734.45/x
  3. Step 3: Cross multiply
    706,024.45x = 974,323.61 × 383,734.45
  4. Step 4: Simplify right side
    706,024.45x = 373,881,534,605.37
  5. Step 5: Solve for x
    x = 373,881,534,605.37/706,024.45
  6. Step 6: Final answer
    x = 529,558.90

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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.