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Finding the Fourth Proportional to 716,241.50, 988,670.38 and 425,852.38

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Solution

The fourth proportional to 716,241.50, 988,670.38 and 425,852.38 is: 587,829.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,241.50 : 988,670.38 = 425,852.38 : x
  2. Step 2: Convert to fraction form
    716,241.50/988,670.38 = 425,852.38/x
  3. Step 3: Cross multiply
    716,241.50x = 988,670.38 × 425,852.38
  4. Step 4: Simplify right side
    716,241.50x = 421,027,634,358.50
  5. Step 5: Solve for x
    x = 421,027,634,358.50/716,241.50
  6. Step 6: Final answer
    x = 587,829.15

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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.