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Finding the Fourth Proportional to 286,504.86, 429,551.45 and 134,616.29

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Solution

The fourth proportional to 286,504.86, 429,551.45 and 134,616.29 is: 201,827.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,504.86 : 429,551.45 = 134,616.29 : x
  2. Step 2: Convert to fraction form
    286,504.86/429,551.45 = 134,616.29/x
  3. Step 3: Cross multiply
    286,504.86x = 429,551.45 × 134,616.29
  4. Step 4: Simplify right side
    286,504.86x = 57,824,621,890.04
  5. Step 5: Solve for x
    x = 57,824,621,890.04/286,504.86
  6. Step 6: Final answer
    x = 201,827.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.