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Finding the Fourth Proportional to 532,881.72, 735,055.02 and 351,529.20

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Solution

The fourth proportional to 532,881.72, 735,055.02 and 351,529.20 is: 484,898.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,881.72 : 735,055.02 = 351,529.20 : x
  2. Step 2: Convert to fraction form
    532,881.72/735,055.02 = 351,529.20/x
  3. Step 3: Cross multiply
    532,881.72x = 735,055.02 × 351,529.20
  4. Step 4: Simplify right side
    532,881.72x = 258,393,303,136.58
  5. Step 5: Solve for x
    x = 258,393,303,136.58/532,881.72
  6. Step 6: Final answer
    x = 484,898.04

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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.