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Finding the Fourth Proportional to 637,072.72, 879,160.49 and 350,592.82

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Solution

The fourth proportional to 637,072.72, 879,160.49 and 350,592.82 is: 483,818.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,072.72 : 879,160.49 = 350,592.82 : x
  2. Step 2: Convert to fraction form
    637,072.72/879,160.49 = 350,592.82/x
  3. Step 3: Cross multiply
    637,072.72x = 879,160.49 × 350,592.82
  4. Step 4: Simplify right side
    637,072.72x = 308,227,355,421.68
  5. Step 5: Solve for x
    x = 308,227,355,421.68/637,072.72
  6. Step 6: Final answer
    x = 483,818.17

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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.