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Finding the Fourth Proportional to 359,258.96, 538,536.36 and 306,071.12

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Solution

The fourth proportional to 359,258.96, 538,536.36 and 306,071.12 is: 458,806.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,258.96 : 538,536.36 = 306,071.12 : x
  2. Step 2: Convert to fraction form
    359,258.96/538,536.36 = 306,071.12/x
  3. Step 3: Cross multiply
    359,258.96x = 538,536.36 × 306,071.12
  4. Step 4: Simplify right side
    359,258.96x = 164,830,426,865.92
  5. Step 5: Solve for x
    x = 164,830,426,865.92/359,258.96
  6. Step 6: Final answer
    x = 458,806.73

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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.