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Finding the Fourth Proportional to 530,325.09, 731,838.33 and 294,570.54

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Solution

The fourth proportional to 530,325.09, 731,838.33 and 294,570.54 is: 406,501.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,325.09 : 731,838.33 = 294,570.54 : x
  2. Step 2: Convert to fraction form
    530,325.09/731,838.33 = 294,570.54/x
  3. Step 3: Cross multiply
    530,325.09x = 731,838.33 × 294,570.54
  4. Step 4: Simplify right side
    530,325.09x = 215,578,012,060.80
  5. Step 5: Solve for x
    x = 215,578,012,060.80/530,325.09
  6. Step 6: Final answer
    x = 406,501.63

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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.