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Finding the Fourth Proportional to 455,854.64, 683,811.11 and 175,371.89

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Solution

The fourth proportional to 455,854.64, 683,811.11 and 175,371.89 is: 263,069.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,854.64 : 683,811.11 = 175,371.89 : x
  2. Step 2: Convert to fraction form
    455,854.64/683,811.11 = 175,371.89/x
  3. Step 3: Cross multiply
    455,854.64x = 683,811.11 × 175,371.89
  4. Step 4: Simplify right side
    455,854.64x = 119,921,243,783.07
  5. Step 5: Solve for x
    x = 119,921,243,783.07/455,854.64
  6. Step 6: Final answer
    x = 263,069.05

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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.