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Finding the Fourth Proportional to 1,302,253.76, 1,952,978.88 and 460,611.92

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Solution

The fourth proportional to 1,302,253.76, 1,952,978.88 and 460,611.92 is: 690,775.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,302,253.76 : 1,952,978.88 = 460,611.92 : x
  2. Step 2: Convert to fraction form
    1,302,253.76/1,952,978.88 = 460,611.92/x
  3. Step 3: Cross multiply
    1,302,253.76x = 1,952,978.88 × 460,611.92
  4. Step 4: Simplify right side
    1,302,253.76x = 899,565,351,636.25
  5. Step 5: Solve for x
    x = 899,565,351,636.25/1,302,253.76
  6. Step 6: Final answer
    x = 690,775.78

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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.