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Finding the Fourth Proportional to 434,090.52, 651,180.92 and 118,547.46

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Solution

The fourth proportional to 434,090.52, 651,180.92 and 118,547.46 is: 177,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,090.52 : 651,180.92 = 118,547.46 : x
  2. Step 2: Convert to fraction form
    434,090.52/651,180.92 = 118,547.46/x
  3. Step 3: Cross multiply
    434,090.52x = 651,180.92 × 118,547.46
  4. Step 4: Simplify right side
    434,090.52x = 77,195,843,473.73
  5. Step 5: Solve for x
    x = 77,195,843,473.73/434,090.52
  6. Step 6: Final answer
    x = 177,833.52

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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.