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Finding the Fourth Proportional to 400,368.20, 600,552.29 and 175,730.58

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Solution

The fourth proportional to 400,368.20, 600,552.29 and 175,730.58 is: 263,595.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,368.20 : 600,552.29 = 175,730.58 : x
  2. Step 2: Convert to fraction form
    400,368.20/600,552.29 = 175,730.58/x
  3. Step 3: Cross multiply
    400,368.20x = 600,552.29 × 175,730.58
  4. Step 4: Simplify right side
    400,368.20x = 105,535,400,240.45
  5. Step 5: Solve for x
    x = 105,535,400,240.45/400,368.20
  6. Step 6: Final answer
    x = 263,595.86

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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.