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Finding the Fourth Proportional to 507,090.36, 759,530.20 and 253,929.32

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Solution

The fourth proportional to 507,090.36, 759,530.20 and 253,929.32 is: 380,340.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,090.36 : 759,530.20 = 253,929.32 : x
  2. Step 2: Convert to fraction form
    507,090.36/759,530.20 = 253,929.32/x
  3. Step 3: Cross multiply
    507,090.36x = 759,530.20 × 253,929.32
  4. Step 4: Simplify right side
    507,090.36x = 192,866,987,205.46
  5. Step 5: Solve for x
    x = 192,866,987,205.46/507,090.36
  6. Step 6: Final answer
    x = 380,340.47

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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.