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Finding the Fourth Proportional to 649,337.80, 973,350.60 and 294,606.40

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Solution

The fourth proportional to 649,337.80, 973,350.60 and 294,606.40 is: 441,611.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,337.80 : 973,350.60 = 294,606.40 : x
  2. Step 2: Convert to fraction form
    649,337.80/973,350.60 = 294,606.40/x
  3. Step 3: Cross multiply
    649,337.80x = 973,350.60 × 294,606.40
  4. Step 4: Simplify right side
    649,337.80x = 286,755,316,203.84
  5. Step 5: Solve for x
    x = 286,755,316,203.84/649,337.80
  6. Step 6: Final answer
    x = 441,611.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.