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Finding the Fourth Proportional to 671,065.32, 926,108.46 and 384,633.12

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Solution

The fourth proportional to 671,065.32, 926,108.46 and 384,633.12 is: 530,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,065.32 : 926,108.46 = 384,633.12 : x
  2. Step 2: Convert to fraction form
    671,065.32/926,108.46 = 384,633.12/x
  3. Step 3: Cross multiply
    671,065.32x = 926,108.46 × 384,633.12
  4. Step 4: Simplify right side
    671,065.32x = 356,211,986,428.20
  5. Step 5: Solve for x
    x = 356,211,986,428.20/671,065.32
  6. Step 6: Final answer
    x = 530,815.67

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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.