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Finding the Fourth Proportional to 460,079.41, 690,259.96 and 235,598.78

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Solution

The fourth proportional to 460,079.41, 690,259.96 and 235,598.78 is: 353,470.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,079.41 : 690,259.96 = 235,598.78 : x
  2. Step 2: Convert to fraction form
    460,079.41/690,259.96 = 235,598.78/x
  3. Step 3: Cross multiply
    460,079.41x = 690,259.96 × 235,598.78
  4. Step 4: Simplify right side
    460,079.41x = 162,624,406,479.00
  5. Step 5: Solve for x
    x = 162,624,406,479.00/460,079.41
  6. Step 6: Final answer
    x = 353,470.30

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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.