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Finding the Fourth Proportional to 637,073.47, 879,160.88 and 350,593.57

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Solution

The fourth proportional to 637,073.47, 879,160.88 and 350,593.57 is: 483,818.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,073.47 : 879,160.88 = 350,593.57 : x
  2. Step 2: Convert to fraction form
    637,073.47/879,160.88 = 350,593.57/x
  3. Step 3: Cross multiply
    637,073.47x = 879,160.88 × 350,593.57
  4. Step 4: Simplify right side
    637,073.47x = 308,228,153,498.98
  5. Step 5: Solve for x
    x = 308,228,153,498.98/637,073.47
  6. Step 6: Final answer
    x = 483,818.85

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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.