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Finding the Fourth Proportional to 455,803.76, 683,698.08 and 175,381.76

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Solution

The fourth proportional to 455,803.76, 683,698.08 and 175,381.76 is: 263,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,803.76 : 683,698.08 = 175,381.76 : x
  2. Step 2: Convert to fraction form
    455,803.76/683,698.08 = 175,381.76/x
  3. Step 3: Cross multiply
    455,803.76x = 683,698.08 × 175,381.76
  4. Step 4: Simplify right side
    455,803.76x = 119,908,172,579.02
  5. Step 5: Solve for x
    x = 119,908,172,579.02/455,803.76
  6. Step 6: Final answer
    x = 263,069.73

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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.