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Finding the Fourth Proportional to 437,731, 604,068.78 and 236,527

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Solution

The fourth proportional to 437,731, 604,068.78 and 236,527 is: 326,407.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,731 : 604,068.78 = 236,527 : x
  2. Step 2: Convert to fraction form
    437,731/604,068.78 = 236,527/x
  3. Step 3: Cross multiply
    437,731x = 604,068.78 × 236,527
  4. Step 4: Simplify right side
    437,731x = 142,878,576,327.06
  5. Step 5: Solve for x
    x = 142,878,576,327.06/437,731
  6. Step 6: Final answer
    x = 326,407.26

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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.