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Finding the Fourth Proportional to 802,512.02, 1,107,462.50 and 434,987.67

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Solution

The fourth proportional to 802,512.02, 1,107,462.50 and 434,987.67 is: 600,280.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,512.02 : 1,107,462.50 = 434,987.67 : x
  2. Step 2: Convert to fraction form
    802,512.02/1,107,462.50 = 434,987.67/x
  3. Step 3: Cross multiply
    802,512.02x = 1,107,462.50 × 434,987.67
  4. Step 4: Simplify right side
    802,512.02x = 481,732,532,487.38
  5. Step 5: Solve for x
    x = 481,732,532,487.38/802,512.02
  6. Step 6: Final answer
    x = 600,280.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.