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Finding the Fourth Proportional to 603,191.20, 904,009.20 and 462,251.20

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Solution

The fourth proportional to 603,191.20, 904,009.20 and 462,251.20 is: 692,780.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,191.20 : 904,009.20 = 462,251.20 : x
  2. Step 2: Convert to fraction form
    603,191.20/904,009.20 = 462,251.20/x
  3. Step 3: Cross multiply
    603,191.20x = 904,009.20 × 462,251.20
  4. Step 4: Simplify right side
    603,191.20x = 417,879,337,511.04
  5. Step 5: Solve for x
    x = 417,879,337,511.04/603,191.20
  6. Step 6: Final answer
    x = 692,780.89

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1.5x scale

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.