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Finding the Fourth Proportional to 671,119.40, 926,184.60 and 384,657.98

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Solution

The fourth proportional to 671,119.40, 926,184.60 and 384,657.98 is: 530,850.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,119.40 : 926,184.60 = 384,657.98 : x
  2. Step 2: Convert to fraction form
    671,119.40/926,184.60 = 384,657.98/x
  3. Step 3: Cross multiply
    671,119.40x = 926,184.60 × 384,657.98
  4. Step 4: Simplify right side
    671,119.40x = 356,264,297,343.11
  5. Step 5: Solve for x
    x = 356,264,297,343.11/671,119.40
  6. Step 6: Final answer
    x = 530,850.84

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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.