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Finding the Fourth Proportional to 904,652.50, 1,357,600.83 and 313,676.50

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Solution

The fourth proportional to 904,652.50, 1,357,600.83 and 313,676.50 is: 470,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,652.50 : 1,357,600.83 = 313,676.50 : x
  2. Step 2: Convert to fraction form
    904,652.50/1,357,600.83 = 313,676.50/x
  3. Step 3: Cross multiply
    904,652.50x = 1,357,600.83 × 313,676.50
  4. Step 4: Simplify right side
    904,652.50x = 425,847,476,751.50
  5. Step 5: Solve for x
    x = 425,847,476,751.50/904,652.50
  6. Step 6: Final answer
    x = 470,730.45

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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.