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Finding the Fourth Proportional to 607,927.68, 911,813.76 and 252,875.52

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Solution

The fourth proportional to 607,927.68, 911,813.76 and 252,875.52 is: 379,280.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,927.68 : 911,813.76 = 252,875.52 : x
  2. Step 2: Convert to fraction form
    607,927.68/911,813.76 = 252,875.52/x
  3. Step 3: Cross multiply
    607,927.68x = 911,813.76 × 252,875.52
  4. Step 4: Simplify right side
    607,927.68x = 230,575,378,703.16
  5. Step 5: Solve for x
    x = 230,575,378,703.16/607,927.68
  6. Step 6: Final answer
    x = 379,280.93

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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.