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Finding the Fourth Proportional to 359,435.51, 538,869.18 and 179,428.55

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Solution

The fourth proportional to 359,435.51, 538,869.18 and 179,428.55 is: 269,001.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,435.51 : 538,869.18 = 179,428.55 : x
  2. Step 2: Convert to fraction form
    359,435.51/538,869.18 = 179,428.55/x
  3. Step 3: Cross multiply
    359,435.51x = 538,869.18 × 179,428.55
  4. Step 4: Simplify right side
    359,435.51x = 96,688,512,015.60
  5. Step 5: Solve for x
    x = 96,688,512,015.60/359,435.51
  6. Step 6: Final answer
    x = 269,001.00

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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.