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Finding the Fourth Proportional to 633,112.40, 952,001.40 and 530,469.20

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Solution

The fourth proportional to 633,112.40, 952,001.40 and 530,469.20 is: 797,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,112.40 : 952,001.40 = 530,469.20 : x
  2. Step 2: Convert to fraction form
    633,112.40/952,001.40 = 530,469.20/x
  3. Step 3: Cross multiply
    633,112.40x = 952,001.40 × 530,469.20
  4. Step 4: Simplify right side
    633,112.40x = 505,007,421,056.88
  5. Step 5: Solve for x
    x = 505,007,421,056.88/633,112.40
  6. Step 6: Final answer
    x = 797,658.40

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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.