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Finding the Fourth Proportional to 654,169.26, 902,779.17 and 367,688.46

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Solution

The fourth proportional to 654,169.26, 902,779.17 and 367,688.46 is: 507,424.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,169.26 : 902,779.17 = 367,688.46 : x
  2. Step 2: Convert to fraction form
    654,169.26/902,779.17 = 367,688.46/x
  3. Step 3: Cross multiply
    654,169.26x = 902,779.17 × 367,688.46
  4. Step 4: Simplify right side
    654,169.26x = 331,941,482,737.38
  5. Step 5: Solve for x
    x = 331,941,482,737.38/654,169.26
  6. Step 6: Final answer
    x = 507,424.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.