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Finding the Fourth Proportional to 556,637.84, 834,990.47 and 157,308.50

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Solution

The fourth proportional to 556,637.84, 834,990.47 and 157,308.50 is: 235,972.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,637.84 : 834,990.47 = 157,308.50 : x
  2. Step 2: Convert to fraction form
    556,637.84/834,990.47 = 157,308.50/x
  3. Step 3: Cross multiply
    556,637.84x = 834,990.47 × 157,308.50
  4. Step 4: Simplify right side
    556,637.84x = 131,351,093,388.50
  5. Step 5: Solve for x
    x = 131,351,093,388.50/556,637.84
  6. Step 6: Final answer
    x = 235,972.27

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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.