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Finding the Fourth Proportional to 359,549.71, 538,810.73 and 264,030.66

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Solution

The fourth proportional to 359,549.71, 538,810.73 and 264,030.66 is: 395,668.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,549.71 : 538,810.73 = 264,030.66 : x
  2. Step 2: Convert to fraction form
    359,549.71/538,810.73 = 264,030.66/x
  3. Step 3: Cross multiply
    359,549.71x = 538,810.73 × 264,030.66
  4. Step 4: Simplify right side
    359,549.71x = 142,262,555,327.52
  5. Step 5: Solve for x
    x = 142,262,555,327.52/359,549.71
  6. Step 6: Final answer
    x = 395,668.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.