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Finding the Fourth Proportional to 436,709.79, 602,686.98 and 264,642.82

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Solution

The fourth proportional to 436,709.79, 602,686.98 and 264,642.82 is: 365,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,709.79 : 602,686.98 = 264,642.82 : x
  2. Step 2: Convert to fraction form
    436,709.79/602,686.98 = 264,642.82/x
  3. Step 3: Cross multiply
    436,709.79x = 602,686.98 × 264,642.82
  4. Step 4: Simplify right side
    436,709.79x = 159,496,780,457.77
  5. Step 5: Solve for x
    x = 159,496,780,457.77/436,709.79
  6. Step 6: Final answer
    x = 365,223.73

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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.