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Finding the Fourth Proportional to 671,134.60, 926,205.70 and 384,673.24

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Solution

The fourth proportional to 671,134.60, 926,205.70 and 384,673.24 is: 530,871.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,134.60 : 926,205.70 = 384,673.24 : x
  2. Step 2: Convert to fraction form
    671,134.60/926,205.70 = 384,673.24/x
  3. Step 3: Cross multiply
    671,134.60x = 926,205.70 × 384,673.24
  4. Step 4: Simplify right side
    671,134.60x = 356,286,547,525.47
  5. Step 5: Solve for x
    x = 356,286,547,525.47/671,134.60
  6. Step 6: Final answer
    x = 530,871.97

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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.