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Finding the Fourth Proportional to 510,837.59, 765,075.31 and 493,122.89

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Solution

The fourth proportional to 510,837.59, 765,075.31 and 493,122.89 is: 738,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,837.59 : 765,075.31 = 493,122.89 : x
  2. Step 2: Convert to fraction form
    510,837.59/765,075.31 = 493,122.89/x
  3. Step 3: Cross multiply
    510,837.59x = 765,075.31 × 493,122.89
  4. Step 4: Simplify right side
    510,837.59x = 377,276,147,934.85
  5. Step 5: Solve for x
    x = 377,276,147,934.85/510,837.59
  6. Step 6: Final answer
    x = 738,544.22

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1.5x scale

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.