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Finding the Fourth Proportional to 532,521.14, 735,286.71 and 351,490.39

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Solution

The fourth proportional to 532,521.14, 735,286.71 and 351,490.39 is: 485,325.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,521.14 : 735,286.71 = 351,490.39 : x
  2. Step 2: Convert to fraction form
    532,521.14/735,286.71 = 351,490.39/x
  3. Step 3: Cross multiply
    532,521.14x = 735,286.71 × 351,490.39
  4. Step 4: Simplify right side
    532,521.14x = 258,446,211,939.59
  5. Step 5: Solve for x
    x = 258,446,211,939.59/532,521.14
  6. Step 6: Final answer
    x = 485,325.74

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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.