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Finding the Fourth Proportional to 530,967.42, 732,726.57 and 289,252.89

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Solution

The fourth proportional to 530,967.42, 732,726.57 and 289,252.89 is: 399,164.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,967.42 : 732,726.57 = 289,252.89 : x
  2. Step 2: Convert to fraction form
    530,967.42/732,726.57 = 289,252.89/x
  3. Step 3: Cross multiply
    530,967.42x = 732,726.57 × 289,252.89
  4. Step 4: Simplify right side
    530,967.42x = 211,943,277,952.29
  5. Step 5: Solve for x
    x = 211,943,277,952.29/530,967.42
  6. Step 6: Final answer
    x = 399,164.37

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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.