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Finding the Fourth Proportional to 554,477.32, 831,568.38 and 155,093.32

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Solution

The fourth proportional to 554,477.32, 831,568.38 and 155,093.32 is: 232,598.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,477.32 : 831,568.38 = 155,093.32 : x
  2. Step 2: Convert to fraction form
    554,477.32/831,568.38 = 155,093.32/x
  3. Step 3: Cross multiply
    554,477.32x = 831,568.38 × 155,093.32
  4. Step 4: Simplify right side
    554,477.32x = 128,970,700,861.22
  5. Step 5: Solve for x
    x = 128,970,700,861.22/554,477.32
  6. Step 6: Final answer
    x = 232,598.69

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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.