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Finding the Fourth Proportional to 633,032.56, 949,548.81 and 212,307.22

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Solution

The fourth proportional to 633,032.56, 949,548.81 and 212,307.22 is: 318,460.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,032.56 : 949,548.81 = 212,307.22 : x
  2. Step 2: Convert to fraction form
    633,032.56/949,548.81 = 212,307.22/x
  3. Step 3: Cross multiply
    633,032.56x = 949,548.81 × 212,307.22
  4. Step 4: Simplify right side
    633,032.56x = 201,596,068,105.41
  5. Step 5: Solve for x
    x = 201,596,068,105.41/633,032.56
  6. Step 6: Final answer
    x = 318,460.82

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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.