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Finding the Fourth Proportional to 543,496.79, 750,011.15 and 301,773.15

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Solution

The fourth proportional to 543,496.79, 750,011.15 and 301,773.15 is: 416,438.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,496.79 : 750,011.15 = 301,773.15 : x
  2. Step 2: Convert to fraction form
    543,496.79/750,011.15 = 301,773.15/x
  3. Step 3: Cross multiply
    543,496.79x = 750,011.15 × 301,773.15
  4. Step 4: Simplify right side
    543,496.79x = 226,333,225,761.76
  5. Step 5: Solve for x
    x = 226,333,225,761.76/543,496.79
  6. Step 6: Final answer
    x = 416,438.94

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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.