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Finding the Fourth Proportional to 556,774.08, 835,056.16 and 157,411.68

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Solution

The fourth proportional to 556,774.08, 835,056.16 and 157,411.68 is: 236,087.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,774.08 : 835,056.16 = 157,411.68 : x
  2. Step 2: Convert to fraction form
    556,774.08/835,056.16 = 157,411.68/x
  3. Step 3: Cross multiply
    556,774.08x = 835,056.16 × 157,411.68
  4. Step 4: Simplify right side
    556,774.08x = 131,447,593,039.95
  5. Step 5: Solve for x
    x = 131,447,593,039.95/556,774.08
  6. Step 6: Final answer
    x = 236,087.85

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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.