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Finding the Fourth Proportional to 460,903.30, 690,855.28 and 235,955.16

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Solution

The fourth proportional to 460,903.30, 690,855.28 and 235,955.16 is: 353,676.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,903.30 : 690,855.28 = 235,955.16 : x
  2. Step 2: Convert to fraction form
    460,903.30/690,855.28 = 235,955.16/x
  3. Step 3: Cross multiply
    460,903.30x = 690,855.28 × 235,955.16
  4. Step 4: Simplify right side
    460,903.30x = 163,010,867,539.36
  5. Step 5: Solve for x
    x = 163,010,867,539.36/460,903.30
  6. Step 6: Final answer
    x = 353,676.94

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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.