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Finding the Fourth Proportional to 504,097.20, 695,666.88 and 277,742.64

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Solution

The fourth proportional to 504,097.20, 695,666.88 and 277,742.64 is: 383,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,097.20 : 695,666.88 = 277,742.64 : x
  2. Step 2: Convert to fraction form
    504,097.20/695,666.88 = 277,742.64/x
  3. Step 3: Cross multiply
    504,097.20x = 695,666.88 × 277,742.64
  4. Step 4: Simplify right side
    504,097.20x = 193,216,355,811.76
  5. Step 5: Solve for x
    x = 193,216,355,811.76/504,097.20
  6. Step 6: Final answer
    x = 383,291.86

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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.