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Finding the Fourth Proportional to 554,594.54, 831,892.08 and 155,294.24

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Solution

The fourth proportional to 554,594.54, 831,892.08 and 155,294.24 is: 232,941.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,594.54 : 831,892.08 = 155,294.24 : x
  2. Step 2: Convert to fraction form
    554,594.54/831,892.08 = 155,294.24/x
  3. Step 3: Cross multiply
    554,594.54x = 831,892.08 × 155,294.24
  4. Step 4: Simplify right side
    554,594.54x = 129,188,048,325.62
  5. Step 5: Solve for x
    x = 129,188,048,325.62/554,594.54
  6. Step 6: Final answer
    x = 232,941.44

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Double scale
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Similar ratio
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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.