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Finding the Fourth Proportional to 503,928.45, 695,421.30 and 277,573.95

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Solution

The fourth proportional to 503,928.45, 695,421.30 and 277,573.95 is: 383,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,928.45 : 695,421.30 = 277,573.95 : x
  2. Step 2: Convert to fraction form
    503,928.45/695,421.30 = 277,573.95/x
  3. Step 3: Cross multiply
    503,928.45x = 695,421.30 × 277,573.95
  4. Step 4: Simplify right side
    503,928.45x = 193,030,837,155.14
  5. Step 5: Solve for x
    x = 193,030,837,155.14/503,928.45
  6. Step 6: Final answer
    x = 383,052.07

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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.