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Finding the Fourth Proportional to 671,150.12, 926,199.45 and 369,337.64

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Solution

The fourth proportional to 671,150.12, 926,199.45 and 369,337.64 is: 509,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,150.12 : 926,199.45 = 369,337.64 : x
  2. Step 2: Convert to fraction form
    671,150.12/926,199.45 = 369,337.64/x
  3. Step 3: Cross multiply
    671,150.12x = 926,199.45 × 369,337.64
  4. Step 4: Simplify right side
    671,150.12x = 342,080,314,401.30
  5. Step 5: Solve for x
    x = 342,080,314,401.30/671,150.12
  6. Step 6: Final answer
    x = 509,692.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.