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Finding the Fourth Proportional to 570,103.48, 855,403.24 and 357,358.90

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Solution

The fourth proportional to 570,103.48, 855,403.24 and 357,358.90 is: 536,193.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,103.48 : 855,403.24 = 357,358.90 : x
  2. Step 2: Convert to fraction form
    570,103.48/855,403.24 = 357,358.90/x
  3. Step 3: Cross multiply
    570,103.48x = 855,403.24 × 357,358.90
  4. Step 4: Simplify right side
    570,103.48x = 305,685,960,902.84
  5. Step 5: Solve for x
    x = 305,685,960,902.84/570,103.48
  6. Step 6: Final answer
    x = 536,193.82

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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.