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Finding the Fourth Proportional to 559,465.80, 837,230.40 and 512,226.60

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Solution

The fourth proportional to 559,465.80, 837,230.40 and 512,226.60 is: 766,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,465.80 : 837,230.40 = 512,226.60 : x
  2. Step 2: Convert to fraction form
    559,465.80/837,230.40 = 512,226.60/x
  3. Step 3: Cross multiply
    559,465.80x = 837,230.40 × 512,226.60
  4. Step 4: Simplify right side
    559,465.80x = 428,851,681,208.64
  5. Step 5: Solve for x
    x = 428,851,681,208.64/559,465.80
  6. Step 6: Final answer
    x = 766,537.80

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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.