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Finding the Fourth Proportional to 612,417.87, 845,183.96 and 367,411.83

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Solution

The fourth proportional to 612,417.87, 845,183.96 and 367,411.83 is: 507,056.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,417.87 : 845,183.96 = 367,411.83 : x
  2. Step 2: Convert to fraction form
    612,417.87/845,183.96 = 367,411.83/x
  3. Step 3: Cross multiply
    612,417.87x = 845,183.96 × 367,411.83
  4. Step 4: Simplify right side
    612,417.87x = 310,530,583,593.19
  5. Step 5: Solve for x
    x = 310,530,583,593.19/612,417.87
  6. Step 6: Final answer
    x = 507,056.70

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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.