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Finding the Fourth Proportional to 559,460.80, 837,222.90 and 512,221.60

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Solution

The fourth proportional to 559,460.80, 837,222.90 and 512,221.60 is: 766,530.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,460.80 : 837,222.90 = 512,221.60 : x
  2. Step 2: Convert to fraction form
    559,460.80/837,222.90 = 512,221.60/x
  3. Step 3: Cross multiply
    559,460.80x = 837,222.90 × 512,221.60
  4. Step 4: Simplify right side
    559,460.80x = 428,843,653,394.64
  5. Step 5: Solve for x
    x = 428,843,653,394.64/559,460.80
  6. Step 6: Final answer
    x = 766,530.30

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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.