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Finding the Fourth Proportional to 706,160.28, 974,507.46 and 383,870.90

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Solution

The fourth proportional to 706,160.28, 974,507.46 and 383,870.90 is: 529,745.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,160.28 : 974,507.46 = 383,870.90 : x
  2. Step 2: Convert to fraction form
    706,160.28/974,507.46 = 383,870.90/x
  3. Step 3: Cross multiply
    706,160.28x = 974,507.46 × 383,870.90
  4. Step 4: Simplify right side
    706,160.28x = 374,085,051,242.06
  5. Step 5: Solve for x
    x = 374,085,051,242.06/706,160.28
  6. Step 6: Final answer
    x = 529,745.25

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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.