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Finding the Fourth Proportional to 671,567.10, 926,796.63 and 381,199.02

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Solution

The fourth proportional to 671,567.10, 926,796.63 and 381,199.02 is: 526,073.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,567.10 : 926,796.63 = 381,199.02 : x
  2. Step 2: Convert to fraction form
    671,567.10/926,796.63 = 381,199.02/x
  3. Step 3: Cross multiply
    671,567.10x = 926,796.63 × 381,199.02
  4. Step 4: Simplify right side
    671,567.10x = 353,293,967,095.30
  5. Step 5: Solve for x
    x = 353,293,967,095.30/671,567.10
  6. Step 6: Final answer
    x = 526,073.97

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Double scale
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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.