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Finding the Fourth Proportional to 525,052.80, 787,579.20 and 151,075.80

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Solution

The fourth proportional to 525,052.80, 787,579.20 and 151,075.80 is: 226,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,052.80 : 787,579.20 = 151,075.80 : x
  2. Step 2: Convert to fraction form
    525,052.80/787,579.20 = 151,075.80/x
  3. Step 3: Cross multiply
    525,052.80x = 787,579.20 × 151,075.80
  4. Step 4: Simplify right side
    525,052.80x = 118,984,157,703.36
  5. Step 5: Solve for x
    x = 118,984,157,703.36/525,052.80
  6. Step 6: Final answer
    x = 226,613.70

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Similar ratio
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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.