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Finding the Fourth Proportional to 532,668.18, 735,077.70 and 290,950.89

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Solution

The fourth proportional to 532,668.18, 735,077.70 and 290,950.89 is: 401,509.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,668.18 : 735,077.70 = 290,950.89 : x
  2. Step 2: Convert to fraction form
    532,668.18/735,077.70 = 290,950.89/x
  3. Step 3: Cross multiply
    532,668.18x = 735,077.70 × 290,950.89
  4. Step 4: Simplify right side
    532,668.18x = 213,871,511,034.15
  5. Step 5: Solve for x
    x = 213,871,511,034.15/532,668.18
  6. Step 6: Final answer
    x = 401,509.83

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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.