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Finding the Fourth Proportional to 648,926.72, 895,509.44 and 362,450.88

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Solution

The fourth proportional to 648,926.72, 895,509.44 and 362,450.88 is: 500,176.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,926.72 : 895,509.44 = 362,450.88 : x
  2. Step 2: Convert to fraction form
    648,926.72/895,509.44 = 362,450.88/x
  3. Step 3: Cross multiply
    648,926.72x = 895,509.44 × 362,450.88
  4. Step 4: Simplify right side
    648,926.72x = 324,578,184,576.31
  5. Step 5: Solve for x
    x = 324,578,184,576.31/648,926.72
  6. Step 6: Final answer
    x = 500,176.95

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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.