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Finding the Fourth Proportional to 706,014.52, 974,296.60 and 383,724.64

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Solution

The fourth proportional to 706,014.52, 974,296.60 and 383,724.64 is: 529,538.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,014.52 : 974,296.60 = 383,724.64 : x
  2. Step 2: Convert to fraction form
    706,014.52/974,296.60 = 383,724.64/x
  3. Step 3: Cross multiply
    706,014.52x = 974,296.60 × 383,724.64
  4. Step 4: Simplify right side
    706,014.52x = 373,861,612,088.22
  5. Step 5: Solve for x
    x = 373,861,612,088.22/706,014.52
  6. Step 6: Final answer
    x = 529,538.13

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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.