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Finding the Fourth Proportional to 340,988.68, 511,630.54 and 183,032.74

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Solution

The fourth proportional to 340,988.68, 511,630.54 and 183,032.74 is: 274,628.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,988.68 : 511,630.54 = 183,032.74 : x
  2. Step 2: Convert to fraction form
    340,988.68/511,630.54 = 183,032.74/x
  3. Step 3: Cross multiply
    340,988.68x = 511,630.54 × 183,032.74
  4. Step 4: Simplify right side
    340,988.68x = 93,645,139,603.88
  5. Step 5: Solve for x
    x = 93,645,139,603.88/340,988.68
  6. Step 6: Final answer
    x = 274,628.29

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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.