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Finding the Fourth Proportional to 554,565, 831,847.64 and 155,264.60

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Solution

The fourth proportional to 554,565, 831,847.64 and 155,264.60 is: 232,896.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,565 : 831,847.64 = 155,264.60 : x
  2. Step 2: Convert to fraction form
    554,565/831,847.64 = 155,264.60/x
  3. Step 3: Cross multiply
    554,565x = 831,847.64 × 155,264.60
  4. Step 4: Simplify right side
    554,565x = 129,156,491,085.54
  5. Step 5: Solve for x
    x = 129,156,491,085.54/554,565
  6. Step 6: Final answer
    x = 232,896.94

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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.