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Finding the Fourth Proportional to 286,359.84, 396,032.91 and 250,487.58

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Solution

The fourth proportional to 286,359.84, 396,032.91 and 250,487.58 is: 346,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,359.84 : 396,032.91 = 250,487.58 : x
  2. Step 2: Convert to fraction form
    286,359.84/396,032.91 = 250,487.58/x
  3. Step 3: Cross multiply
    286,359.84x = 396,032.91 × 250,487.58
  4. Step 4: Simplify right side
    286,359.84x = 99,201,325,226.26
  5. Step 5: Solve for x
    x = 99,201,325,226.26/286,359.84
  6. Step 6: Final answer
    x = 346,421.92

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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.