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Finding the Fourth Proportional to 360,779.40, 541,009.12 and 192,268.32

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Solution

The fourth proportional to 360,779.40, 541,009.12 and 192,268.32 is: 288,317.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,779.40 : 541,009.12 = 192,268.32 : x
  2. Step 2: Convert to fraction form
    360,779.40/541,009.12 = 192,268.32/x
  3. Step 3: Cross multiply
    360,779.40x = 541,009.12 × 192,268.32
  4. Step 4: Simplify right side
    360,779.40x = 104,018,914,607.08
  5. Step 5: Solve for x
    x = 104,018,914,607.08/360,779.40
  6. Step 6: Final answer
    x = 288,317.22

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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.