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Finding the Fourth Proportional to 432,037.40, 595,769.18 and 286,791.94

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Solution

The fourth proportional to 432,037.40, 595,769.18 and 286,791.94 is: 395,479.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,037.40 : 595,769.18 = 286,791.94 : x
  2. Step 2: Convert to fraction form
    432,037.40/595,769.18 = 286,791.94/x
  3. Step 3: Cross multiply
    432,037.40x = 595,769.18 × 286,791.94
  4. Step 4: Simplify right side
    432,037.40x = 170,861,798,235.16
  5. Step 5: Solve for x
    x = 170,861,798,235.16/432,037.40
  6. Step 6: Final answer
    x = 395,479.19

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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.