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Finding the Fourth Proportional to 295,093.88, 407,261.08 and 180,439.72

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Solution

The fourth proportional to 295,093.88, 407,261.08 and 180,439.72 is: 249,026.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,093.88 : 407,261.08 = 180,439.72 : x
  2. Step 2: Convert to fraction form
    295,093.88/407,261.08 = 180,439.72/x
  3. Step 3: Cross multiply
    295,093.88x = 407,261.08 × 180,439.72
  4. Step 4: Simplify right side
    295,093.88x = 73,486,075,242.10
  5. Step 5: Solve for x
    x = 73,486,075,242.10/295,093.88
  6. Step 6: Final answer
    x = 249,026.09

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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.