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Finding the Fourth Proportional to 554,592.54, 831,889.08 and 155,292.24

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Solution

The fourth proportional to 554,592.54, 831,889.08 and 155,292.24 is: 232,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,592.54 : 831,889.08 = 155,292.24 : x
  2. Step 2: Convert to fraction form
    554,592.54/831,889.08 = 155,292.24/x
  3. Step 3: Cross multiply
    554,592.54x = 831,889.08 × 155,292.24
  4. Step 4: Simplify right side
    554,592.54x = 129,185,918,664.74
  5. Step 5: Solve for x
    x = 129,185,918,664.74/554,592.54
  6. Step 6: Final answer
    x = 232,938.44

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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.