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Finding the Fourth Proportional to 559,472.80, 837,240.90 and 512,233.60

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Solution

The fourth proportional to 559,472.80, 837,240.90 and 512,233.60 is: 766,548.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,472.80 : 837,240.90 = 512,233.60 : x
  2. Step 2: Convert to fraction form
    559,472.80/837,240.90 = 512,233.60/x
  3. Step 3: Cross multiply
    559,472.80x = 837,240.90 × 512,233.60
  4. Step 4: Simplify right side
    559,472.80x = 428,862,920,274.24
  5. Step 5: Solve for x
    x = 428,862,920,274.24/559,472.80
  6. Step 6: Final answer
    x = 766,548.29

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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.