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Finding the Fourth Proportional to 435,258.12, 652,113.54 and 181,980.84

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Solution

The fourth proportional to 435,258.12, 652,113.54 and 181,980.84 is: 272,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,258.12 : 652,113.54 = 181,980.84 : x
  2. Step 2: Convert to fraction form
    435,258.12/652,113.54 = 181,980.84/x
  3. Step 3: Cross multiply
    435,258.12x = 652,113.54 × 181,980.84
  4. Step 4: Simplify right side
    435,258.12x = 118,672,169,784.57
  5. Step 5: Solve for x
    x = 118,672,169,784.57/435,258.12
  6. Step 6: Final answer
    x = 272,647.80

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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.