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Finding the Fourth Proportional to 436,652.16, 602,531.22 and 245,661.45

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Solution

The fourth proportional to 436,652.16, 602,531.22 and 245,661.45 is: 338,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,652.16 : 602,531.22 = 245,661.45 : x
  2. Step 2: Convert to fraction form
    436,652.16/602,531.22 = 245,661.45/x
  3. Step 3: Cross multiply
    436,652.16x = 602,531.22 × 245,661.45
  4. Step 4: Simplify right side
    436,652.16x = 148,018,690,162.81
  5. Step 5: Solve for x
    x = 148,018,690,162.81/436,652.16
  6. Step 6: Final answer
    x = 338,985.37

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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.