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Finding the Fourth Proportional to 286,340.63, 429,510.41 and 75,962.03

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Solution

The fourth proportional to 286,340.63, 429,510.41 and 75,962.03 is: 113,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,340.63 : 429,510.41 = 75,962.03 : x
  2. Step 2: Convert to fraction form
    286,340.63/429,510.41 = 75,962.03/x
  3. Step 3: Cross multiply
    286,340.63x = 429,510.41 × 75,962.03
  4. Step 4: Simplify right side
    286,340.63x = 32,626,482,269.92
  5. Step 5: Solve for x
    x = 32,626,482,269.92/286,340.63
  6. Step 6: Final answer
    x = 113,942.90

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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.