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Finding the Fourth Proportional to 531,550.17, 733,525.74 and 289,837.26

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Solution

The fourth proportional to 531,550.17, 733,525.74 and 289,837.26 is: 399,968.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,550.17 : 733,525.74 = 289,837.26 : x
  2. Step 2: Convert to fraction form
    531,550.17/733,525.74 = 289,837.26/x
  3. Step 3: Cross multiply
    531,550.17x = 733,525.74 × 289,837.26
  4. Step 4: Simplify right side
    531,550.17x = 212,603,090,621.07
  5. Step 5: Solve for x
    x = 212,603,090,621.07/531,550.17
  6. Step 6: Final answer
    x = 399,968.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.