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Finding the Fourth Proportional to 530,980.52, 732,750.24 and 289,262.51

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Solution

The fourth proportional to 530,980.52, 732,750.24 and 289,262.51 is: 399,180.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,980.52 : 732,750.24 = 289,262.51 : x
  2. Step 2: Convert to fraction form
    530,980.52/732,750.24 = 289,262.51/x
  3. Step 3: Cross multiply
    530,980.52x = 732,750.24 × 289,262.51
  4. Step 4: Simplify right side
    530,980.52x = 211,957,176,180.53
  5. Step 5: Solve for x
    x = 211,957,176,180.53/530,980.52
  6. Step 6: Final answer
    x = 399,180.70

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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.