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Finding the Fourth Proportional to 435,191.71, 652,015.28 and 181,913.88

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Solution

The fourth proportional to 435,191.71, 652,015.28 and 181,913.88 is: 272,547.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,191.71 : 652,015.28 = 181,913.88 : x
  2. Step 2: Convert to fraction form
    435,191.71/652,015.28 = 181,913.88/x
  3. Step 3: Cross multiply
    435,191.71x = 652,015.28 × 181,913.88
  4. Step 4: Simplify right side
    435,191.71x = 118,610,627,058.37
  5. Step 5: Solve for x
    x = 118,610,627,058.37/435,191.71
  6. Step 6: Final answer
    x = 272,547.99

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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.