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Finding the Fourth Proportional to 460,075.32, 690,223.71 and 193,911.96

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Solution

The fourth proportional to 460,075.32, 690,223.71 and 193,911.96 is: 290,914.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,075.32 : 690,223.71 = 193,911.96 : x
  2. Step 2: Convert to fraction form
    460,075.32/690,223.71 = 193,911.96/x
  3. Step 3: Cross multiply
    460,075.32x = 690,223.71 × 193,911.96
  4. Step 4: Simplify right side
    460,075.32x = 133,842,632,444.57
  5. Step 5: Solve for x
    x = 133,842,632,444.57/460,075.32
  6. Step 6: Final answer
    x = 290,914.61

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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.