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Finding the Fourth Proportional to 341,744.63, 471,611.55 and 188,779.65

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Solution

The fourth proportional to 341,744.63, 471,611.55 and 188,779.65 is: 260,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,744.63 : 471,611.55 = 188,779.65 : x
  2. Step 2: Convert to fraction form
    341,744.63/471,611.55 = 188,779.65/x
  3. Step 3: Cross multiply
    341,744.63x = 471,611.55 × 188,779.65
  4. Step 4: Simplify right side
    341,744.63x = 89,030,662,637.03
  5. Step 5: Solve for x
    x = 89,030,662,637.03/341,744.63
  6. Step 6: Final answer
    x = 260,518.10

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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.