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Finding the Fourth Proportional to 579,605.04, 869,410.56 and 263,841.12

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Solution

The fourth proportional to 579,605.04, 869,410.56 and 263,841.12 is: 395,763.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,605.04 : 869,410.56 = 263,841.12 : x
  2. Step 2: Convert to fraction form
    579,605.04/869,410.56 = 263,841.12/x
  3. Step 3: Cross multiply
    579,605.04x = 869,410.56 × 263,841.12
  4. Step 4: Simplify right side
    579,605.04x = 229,386,255,890.23
  5. Step 5: Solve for x
    x = 229,386,255,890.23/579,605.04
  6. Step 6: Final answer
    x = 395,763.05

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Double scale
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Similar ratio
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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.