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Finding the Fourth Proportional to 544,056.70, 816,085.05 and 292,114.30

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Solution

The fourth proportional to 544,056.70, 816,085.05 and 292,114.30 is: 438,171.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,056.70 : 816,085.05 = 292,114.30 : x
  2. Step 2: Convert to fraction form
    544,056.70/816,085.05 = 292,114.30/x
  3. Step 3: Cross multiply
    544,056.70x = 816,085.05 × 292,114.30
  4. Step 4: Simplify right side
    544,056.70x = 238,390,113,121.22
  5. Step 5: Solve for x
    x = 238,390,113,121.22/544,056.70
  6. Step 6: Final answer
    x = 438,171.45

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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.