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Finding the Fourth Proportional to 525,266.70, 786,150.45 and 462,281.10

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Solution

The fourth proportional to 525,266.70, 786,150.45 and 462,281.10 is: 691,881.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,266.70 : 786,150.45 = 462,281.10 : x
  2. Step 2: Convert to fraction form
    525,266.70/786,150.45 = 462,281.10/x
  3. Step 3: Cross multiply
    525,266.70x = 786,150.45 × 462,281.10
  4. Step 4: Simplify right side
    525,266.70x = 363,422,494,791.50
  5. Step 5: Solve for x
    x = 363,422,494,791.50/525,266.70
  6. Step 6: Final answer
    x = 691,881.85

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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.