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Finding the Fourth Proportional to 497,052.80, 745,579.20 and 123,075.80

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Solution

The fourth proportional to 497,052.80, 745,579.20 and 123,075.80 is: 184,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,052.80 : 745,579.20 = 123,075.80 : x
  2. Step 2: Convert to fraction form
    497,052.80/745,579.20 = 123,075.80/x
  3. Step 3: Cross multiply
    497,052.80x = 745,579.20 × 123,075.80
  4. Step 4: Simplify right side
    497,052.80x = 91,762,756,503.36
  5. Step 5: Solve for x
    x = 91,762,756,503.36/497,052.80
  6. Step 6: Final answer
    x = 184,613.70

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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.