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Finding the Fourth Proportional to 706,327.40, 974,751.48 and 384,059.60

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Solution

The fourth proportional to 706,327.40, 974,751.48 and 384,059.60 is: 530,012.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,327.40 : 974,751.48 = 384,059.60 : x
  2. Step 2: Convert to fraction form
    706,327.40/974,751.48 = 384,059.60/x
  3. Step 3: Cross multiply
    706,327.40x = 974,751.48 × 384,059.60
  4. Step 4: Simplify right side
    706,327.40x = 374,362,663,508.21
  5. Step 5: Solve for x
    x = 374,362,663,508.21/706,327.40
  6. Step 6: Final answer
    x = 530,012.94

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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.