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Finding the Fourth Proportional to 673,887.60, 1,010,685.60 and 294,807.60

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Solution

The fourth proportional to 673,887.60, 1,010,685.60 and 294,807.60 is: 442,147.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,887.60 : 1,010,685.60 = 294,807.60 : x
  2. Step 2: Convert to fraction form
    673,887.60/1,010,685.60 = 294,807.60/x
  3. Step 3: Cross multiply
    673,887.60x = 1,010,685.60 × 294,807.60
  4. Step 4: Simplify right side
    673,887.60x = 297,957,796,090.56
  5. Step 5: Solve for x
    x = 297,957,796,090.56/673,887.60
  6. Step 6: Final answer
    x = 442,147.62

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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.