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Finding the Fourth Proportional to 351,303.73, 525,648.53 and 308,406.98

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Solution

The fourth proportional to 351,303.73, 525,648.53 and 308,406.98 is: 461,463.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,303.73 : 525,648.53 = 308,406.98 : x
  2. Step 2: Convert to fraction form
    351,303.73/525,648.53 = 308,406.98/x
  3. Step 3: Cross multiply
    351,303.73x = 525,648.53 × 308,406.98
  4. Step 4: Simplify right side
    351,303.73x = 162,113,674,856.20
  5. Step 5: Solve for x
    x = 162,113,674,856.20/351,303.73
  6. Step 6: Final answer
    x = 461,463.00

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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.