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Finding the Fourth Proportional to 530,346.50, 795,519.77 and 436,655.42

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Solution

The fourth proportional to 530,346.50, 795,519.77 and 436,655.42 is: 654,983.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,346.50 : 795,519.77 = 436,655.42 : x
  2. Step 2: Convert to fraction form
    530,346.50/795,519.77 = 436,655.42/x
  3. Step 3: Cross multiply
    530,346.50x = 795,519.77 × 436,655.42
  4. Step 4: Simplify right side
    530,346.50x = 347,368,013,126.78
  5. Step 5: Solve for x
    x = 347,368,013,126.78/530,346.50
  6. Step 6: Final answer
    x = 654,983.14

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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.