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Finding the Fourth Proportional to 425,030.33, 637,544.75 and 291,505.82

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Solution

The fourth proportional to 425,030.33, 637,544.75 and 291,505.82 is: 437,258.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,030.33 : 637,544.75 = 291,505.82 : x
  2. Step 2: Convert to fraction form
    425,030.33/637,544.75 = 291,505.82/x
  3. Step 3: Cross multiply
    425,030.33x = 637,544.75 × 291,505.82
  4. Step 4: Simplify right side
    425,030.33x = 185,848,000,490.19
  5. Step 5: Solve for x
    x = 185,848,000,490.19/425,030.33
  6. Step 6: Final answer
    x = 437,258.21

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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.