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Finding the Fourth Proportional to 425,076.53, 637,613.82 and 291,551.94

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Solution

The fourth proportional to 425,076.53, 637,613.82 and 291,551.94 is: 437,327.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,076.53 : 637,613.82 = 291,551.94 : x
  2. Step 2: Convert to fraction form
    425,076.53/637,613.82 = 291,551.94/x
  3. Step 3: Cross multiply
    425,076.53x = 637,613.82 × 291,551.94
  4. Step 4: Simplify right side
    425,076.53x = 185,897,546,191.81
  5. Step 5: Solve for x
    x = 185,897,546,191.81/425,076.53
  6. Step 6: Final answer
    x = 437,327.25

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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.