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Finding the Fourth Proportional to 706,235.64, 974,624.04 and 383,967.44

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Solution

The fourth proportional to 706,235.64, 974,624.04 and 383,967.44 is: 529,885.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,235.64 : 974,624.04 = 383,967.44 : x
  2. Step 2: Convert to fraction form
    706,235.64/974,624.04 = 383,967.44/x
  3. Step 3: Cross multiply
    706,235.64x = 974,624.04 × 383,967.44
  4. Step 4: Simplify right side
    706,235.64x = 374,223,897,601.26
  5. Step 5: Solve for x
    x = 374,223,897,601.26/706,235.64
  6. Step 6: Final answer
    x = 529,885.32

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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.