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Finding the Fourth Proportional to 671,041.44, 926,102.64 and 500,980.32

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Solution

The fourth proportional to 671,041.44, 926,102.64 and 500,980.32 is: 691,401.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,041.44 : 926,102.64 = 500,980.32 : x
  2. Step 2: Convert to fraction form
    671,041.44/926,102.64 = 500,980.32/x
  3. Step 3: Cross multiply
    671,041.44x = 926,102.64 × 500,980.32
  4. Step 4: Simplify right side
    671,041.44x = 463,959,196,940.05
  5. Step 5: Solve for x
    x = 463,959,196,940.05/671,041.44
  6. Step 6: Final answer
    x = 691,401.71

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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.