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Finding the Fourth Proportional to 544,094.80, 816,142.20 and 292,152.40

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Solution

The fourth proportional to 544,094.80, 816,142.20 and 292,152.40 is: 438,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,094.80 : 816,142.20 = 292,152.40 : x
  2. Step 2: Convert to fraction form
    544,094.80/816,142.20 = 292,152.40/x
  3. Step 3: Cross multiply
    544,094.80x = 816,142.20 × 292,152.40
  4. Step 4: Simplify right side
    544,094.80x = 238,437,902,471.28
  5. Step 5: Solve for x
    x = 238,437,902,471.28/544,094.80
  6. Step 6: Final answer
    x = 438,228.60

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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.