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Finding the Fourth Proportional to 403,525.84, 556,268.22 and 258,310.24

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Solution

The fourth proportional to 403,525.84, 556,268.22 and 258,310.24 is: 356,085.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,525.84 : 556,268.22 = 258,310.24 : x
  2. Step 2: Convert to fraction form
    403,525.84/556,268.22 = 258,310.24/x
  3. Step 3: Cross multiply
    403,525.84x = 556,268.22 × 258,310.24
  4. Step 4: Simplify right side
    403,525.84x = 143,689,777,412.57
  5. Step 5: Solve for x
    x = 143,689,777,412.57/403,525.84
  6. Step 6: Final answer
    x = 356,085.69

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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.