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Finding the Fourth Proportional to 526,866.04, 790,299.06 and 127,506.88

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Solution

The fourth proportional to 526,866.04, 790,299.06 and 127,506.88 is: 191,260.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,866.04 : 790,299.06 = 127,506.88 : x
  2. Step 2: Convert to fraction form
    526,866.04/790,299.06 = 127,506.88/x
  3. Step 3: Cross multiply
    526,866.04x = 790,299.06 × 127,506.88
  4. Step 4: Simplify right side
    526,866.04x = 100,768,567,407.53
  5. Step 5: Solve for x
    x = 100,768,567,407.53/526,866.04
  6. Step 6: Final answer
    x = 191,260.32

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Similar ratio
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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.