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Finding the Fourth Proportional to 610,317.04, 915,475.64 and 189,592.88

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Solution

The fourth proportional to 610,317.04, 915,475.64 and 189,592.88 is: 284,389.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,317.04 : 915,475.64 = 189,592.88 : x
  2. Step 2: Convert to fraction form
    610,317.04/915,475.64 = 189,592.88/x
  3. Step 3: Cross multiply
    610,317.04x = 915,475.64 × 189,592.88
  4. Step 4: Simplify right side
    610,317.04x = 173,567,663,157.44
  5. Step 5: Solve for x
    x = 173,567,663,157.44/610,317.04
  6. Step 6: Final answer
    x = 284,389.34

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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.