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Finding the Fourth Proportional to 526,907.56, 790,361.34 and 194,483.56

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Solution

The fourth proportional to 526,907.56, 790,361.34 and 194,483.56 is: 291,725.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,907.56 : 790,361.34 = 194,483.56 : x
  2. Step 2: Convert to fraction form
    526,907.56/790,361.34 = 194,483.56/x
  3. Step 3: Cross multiply
    526,907.56x = 790,361.34 × 194,483.56
  4. Step 4: Simplify right side
    526,907.56x = 153,712,287,089.57
  5. Step 5: Solve for x
    x = 153,712,287,089.57/526,907.56
  6. Step 6: Final answer
    x = 291,725.34

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Double scale
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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.