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Finding the Fourth Proportional to 460,193.74, 690,059.59 and 268,130.34

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Solution

The fourth proportional to 460,193.74, 690,059.59 and 268,130.34 is: 402,060.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,193.74 : 690,059.59 = 268,130.34 : x
  2. Step 2: Convert to fraction form
    460,193.74/690,059.59 = 268,130.34/x
  3. Step 3: Cross multiply
    460,193.74x = 690,059.59 × 268,130.34
  4. Step 4: Simplify right side
    460,193.74x = 185,025,911,816.64
  5. Step 5: Solve for x
    x = 185,025,911,816.64/460,193.74
  6. Step 6: Final answer
    x = 402,060.91

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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.